diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..51f9fd7
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+kuit-ladder
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 2a65317..446c193 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,8 +4,9 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="delegatedBuild" value="false" />
+        <option name="testRunner" value="PLATFORM" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8f86b33..e150413 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="homebrew-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_22" project-jdk-name="homebrew-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/uiDesigner.xml b/.idea/uiDesigner.xml
new file mode 100644
index 0000000..2b63946
--- /dev/null
+++ b/.idea/uiDesigner.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Palette2">
+    <group name="Swing">
+      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
+      </item>
+      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
+        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
+        <initial-values>
+          <property name="text" value="Button" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="RadioButton" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="CheckBox" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
+        <initial-values>
+          <property name="text" value="Label" />
+        </initial-values>
+      </item>
+      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
+          <preferred-size width="150" height="-1" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
+          <preferred-size width="150" height="50" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
+          <preferred-size width="200" height="200" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
+      </item>
+      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
+      </item>
+      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
+          <preferred-size width="-1" height="20" />
+        </default-constraints>
+      </item>
+      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
+        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
+      </item>
+      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
+        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
+      </item>
+    </group>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 94a25f7..250f19c 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -2,5 +2,6 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/KUIT4_Server-Ladder" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/Ladder.java b/src/main/java/Ladder.java
deleted file mode 100644
index 0d2b070..0000000
--- a/src/main/java/Ladder.java
+++ /dev/null
@@ -1,8 +0,0 @@
-public class Ladder {
-
-    private final int[][] rows;
-
-    public Ladder(int row, int numberOfPerson) {
-        rows = new int[row][numberOfPerson];
-    }
-}
diff --git a/src/main/java/ladder/Direction.java b/src/main/java/ladder/Direction.java
new file mode 100644
index 0000000..1c07c92
--- /dev/null
+++ b/src/main/java/ladder/Direction.java
@@ -0,0 +1,16 @@
+package ladder;
+
+public enum Direction {
+
+    LEFT(-1), RIGHT(1), NONE(0);
+
+    private final int value;
+
+    Direction(int value) {
+        this.value = value;
+    }
+
+    public int getValue() {
+        return value;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ladder/ExceptionMessage.java b/src/main/java/ladder/ExceptionMessage.java
new file mode 100644
index 0000000..e0ed960
--- /dev/null
+++ b/src/main/java/ladder/ExceptionMessage.java
@@ -0,0 +1,20 @@
+package ladder;
+
+public enum ExceptionMessage {
+
+    INVALID_LADDER_POSITION("사다리 위치는 0이상 입니다."),
+    INVALID_LADDER_NUMBER("사다리의 행과 열은 2 이상이어야 합니다."),
+    INVALID_POSITION("유효하지 않은 위치입니다."),
+    INVALID_DRAW_POSITION("사다리를 그릴 수 없는 위치입니다."),
+    INVALID_NATURAL_NUMBER("자연수가 아닙니다.");
+
+    private final String message;
+
+    ExceptionMessage(String message) {
+        this.message = message;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+}
diff --git a/src/main/java/ladder/GreaterThanOne.java b/src/main/java/ladder/GreaterThanOne.java
new file mode 100644
index 0000000..7c28579
--- /dev/null
+++ b/src/main/java/ladder/GreaterThanOne.java
@@ -0,0 +1,29 @@
+package ladder;
+
+public class GreaterThanOne {
+
+    private final int number;
+
+    public GreaterThanOne(int number) {
+        validate(number);
+        this.number = number;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    public static GreaterThanOne from(int number) {
+        return new GreaterThanOne(number);
+    }
+
+    private void validate(int number) {
+        if (!isGreaterThanOne(number)) {
+            throw new IllegalArgumentException(ExceptionMessage.INVALID_LADDER_NUMBER.getMessage());
+        }
+    }
+
+    private static boolean isGreaterThanOne(int number) {
+        return number > 1;
+    }
+}
diff --git a/src/main/java/ladder/LadderGame.java b/src/main/java/ladder/LadderGame.java
new file mode 100644
index 0000000..3ee734f
--- /dev/null
+++ b/src/main/java/ladder/LadderGame.java
@@ -0,0 +1,30 @@
+package ladder;
+
+import ladder.creator.LadderCreator;
+import ladder.creator.LadderManualCreator;
+import ladder.creator.LadderRandomCreator;
+
+public class LadderGame {
+
+    LadderCreator ladderCreator;
+
+    public LadderGame(LadderCreator ladderCreator){
+        this.ladderCreator = ladderCreator;
+    }
+
+//    public LadderGame RandomGame(LadderRandomCreator ladderRandomCreator) {
+//        this.ladderCreator = ladderRandomCreator;
+//        return this;
+//    }
+//
+//    public LadderGame ManualGame(LadderManualCreator ladderManualCreator) {
+//        this.ladderCreator = ladderManualCreator;
+//        return this;
+//    }
+
+    public int run(Position position) {
+        LadderRunner ladderRunner = new LadderRunner(ladderCreator.getRows());
+        ladderRunner.run(position);
+        return position.getValue();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ladder/LadderGameFactory.java b/src/main/java/ladder/LadderGameFactory.java
new file mode 100644
index 0000000..7fa92a9
--- /dev/null
+++ b/src/main/java/ladder/LadderGameFactory.java
@@ -0,0 +1,26 @@
+package ladder;
+
+import ladder.creator.LadderCreator;
+import ladder.creator.LadderManualCreator;
+import ladder.creator.LadderRandomCreator;
+
+public class LadderGameFactory {
+
+    public static LadderGame createRandomLadderGame(LadderCreator randomCreator) {
+        return new LadderGame((LadderRandomCreator) randomCreator);
+    }
+
+    public static LadderGame createManualLadderGame(LadderCreator manualCreator) {
+        return new LadderGame((LadderManualCreator) manualCreator);
+    }
+
+    // todo trouble-shooting
+//    public LadderGame createRandomLadderGame(LadderCreator randomCreator) {
+//        return ladderGame.RandomGame((LadderRandomCreator) randomCreator);
+//    }
+//
+//    public LadderGame createManualLadderGame(LadderCreator manualCreator) {
+//        return ladderGame.ManualGame((LadderManualCreator) manualCreator);
+//    }
+}
+
diff --git a/src/main/java/ladder/LadderPosition.java b/src/main/java/ladder/LadderPosition.java
new file mode 100644
index 0000000..62588cf
--- /dev/null
+++ b/src/main/java/ladder/LadderPosition.java
@@ -0,0 +1,18 @@
+package ladder;
+
+public class LadderPosition {
+
+    Position row, column;
+
+    public LadderPosition(Position row, Position column) {
+        this.row = row;
+        this.column = column;
+    }
+
+    public Position getRow() {
+        return row;
+    }
+    public Position getColumn() {
+        return column;
+    }
+}
diff --git a/src/main/java/ladder/LadderRunner.java b/src/main/java/ladder/LadderRunner.java
new file mode 100644
index 0000000..fc9d771
--- /dev/null
+++ b/src/main/java/ladder/LadderRunner.java
@@ -0,0 +1,37 @@
+package ladder;
+
+public class LadderRunner {
+
+    private final Row[] rows;
+
+    public LadderRunner(Row[] rows) {
+        this.rows = rows;
+    }
+
+    // todo LadderPosition <- rowNumber + position
+    public void printRow(int rowNumber, int position, int currentRow) {
+        boolean isCurrent = (currentRow == rowNumber);
+        System.out.println(rows[rowNumber].rowToString(position, isCurrent));
+    }
+
+    public void printLadder(int row, int position){
+        for (int i = 0; i < rows.length; i++) {
+            printRow(i, position, row);
+        }
+        System.out.println();
+    }
+    public int run(Position position) {
+        for (int i = 0; i < rows.length; i++) {
+
+            System.out.println("Before");
+            printLadder(i, position.getValue());
+
+            rows[i].nextPosition(position);
+
+            System.out.println("After");
+            printLadder(i, position.getValue());
+        }
+        return position.getValue();
+    }
+
+}
diff --git a/src/main/java/ladder/LadderSize.java b/src/main/java/ladder/LadderSize.java
new file mode 100644
index 0000000..de3bacc
--- /dev/null
+++ b/src/main/java/ladder/LadderSize.java
@@ -0,0 +1,15 @@
+package ladder;
+
+public class LadderSize {
+
+    private GreaterThanOne numberOfRow, numberOfPerson;
+
+    public LadderSize(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
+        this.numberOfRow = numberOfRow;
+        this.numberOfPerson = numberOfPerson;
+    }
+
+    public int getNumberOfRandomLine() {
+        return (int)Math.round(this.numberOfRow.getNumber() * this.numberOfPerson.getNumber() * 0.3);
+    }
+}
diff --git a/src/main/java/ladder/Node.java b/src/main/java/ladder/Node.java
new file mode 100644
index 0000000..bd4cdc7
--- /dev/null
+++ b/src/main/java/ladder/Node.java
@@ -0,0 +1,55 @@
+package ladder;
+
+import static ladder.Direction.*;
+
+public class Node {
+
+    private Direction direction;
+
+    private Node(Direction direction) {
+        this.direction = direction;
+    }
+
+    public static Node from(Direction direction) {
+        return new Node(direction);
+    }
+
+    public void move(Position position) {
+        if (isRight()) {
+            position.next();
+            return;
+        }
+        if (isLeft()) {
+            position.prev();
+            return;
+        }
+    }
+
+    public Direction getDirection() {
+        return direction;
+    }
+
+    public void setRightNode() {
+        direction = RIGHT;
+    }
+
+    public void setLeftNode() {
+        direction = LEFT;
+    }
+
+    public boolean isAlreadySetDirection() {
+        return !isNone();
+    }
+
+    private boolean isRight() {
+        return direction == RIGHT;
+    }
+
+    private boolean isLeft() {
+        return direction == LEFT;
+    }
+
+    private boolean isNone() {
+        return direction == NONE;
+    }
+}
diff --git a/src/main/java/ladder/Position.java b/src/main/java/ladder/Position.java
new file mode 100644
index 0000000..fdaa2dd
--- /dev/null
+++ b/src/main/java/ladder/Position.java
@@ -0,0 +1,46 @@
+package ladder;
+
+import static ladder.ExceptionMessage.INVALID_LADDER_POSITION;
+
+public class Position {
+    private int position;
+
+    private Position(int position) {
+        this.position = position;
+    }
+
+    public int getValue() {
+        return position;
+    }
+
+    public static Position from(int position) {
+        validatePosition(position);
+        return new Position(position);
+    }
+
+    public void prev() {
+        position--;
+    }
+
+    public void next() {
+        position++;
+    }
+
+    public boolean isSmallerThan(int position) {
+        return this.position < position;
+    }
+
+    public boolean isBiggerThan(int position) {
+        return this.position > position;
+    }
+
+    private static void validatePosition(int position) {
+        if (!isPosition(position)) {
+            throw new IllegalArgumentException(INVALID_LADDER_POSITION.getMessage());
+        }
+    }
+
+    private static boolean isPosition(int position) {
+        return position >= 0;
+    }
+}
diff --git a/src/main/java/ladder/Row.java b/src/main/java/ladder/Row.java
new file mode 100644
index 0000000..626987f
--- /dev/null
+++ b/src/main/java/ladder/Row.java
@@ -0,0 +1,74 @@
+package ladder;
+
+import static ladder.Direction.*;
+
+public class Row {
+    private final Node[] nodes;
+
+    public Row(GreaterThanOne numberOfPerson) {
+        nodes = new Node[numberOfPerson.getNumber()];
+        for (int i = 0; i < numberOfPerson.getNumber(); i++) {
+            nodes[i] = Node.from(NONE);
+        }
+    }
+
+    public StringBuilder rowToString(int position, boolean currentRow) {
+        StringBuilder rowString = new StringBuilder();
+        for (int i = 0; i < nodes.length; i++) {
+            rowString.append(String.valueOf(nodes[i].getDirection().getValue()));
+            if(i == position && currentRow)
+                rowString.append("*");
+            rowString.append(" ");
+        }
+        return rowString;
+    }
+
+    // exception -> return false/true
+    public boolean drawLine(Position startPosition) {
+        boolean validLine = validateDrawLinePosition(startPosition);
+        if(!validLine)
+            return false;
+        setDirectionBetweenNextPosition(startPosition);
+        return true;
+    }
+
+    public void nextPosition(Position position) {
+        validatePosition(position);
+
+        nodes[position.getValue()].move(position);
+    }
+
+    private void setDirectionBetweenNextPosition(Position position) {
+        nodes[position.getValue()].setRightNode();
+        position.next();
+        nodes[position.getValue()].setLeftNode();
+    }
+
+    private void validatePosition(Position position) {
+        if (isInvalidPosition(position) ) {
+            throw new IllegalArgumentException(ExceptionMessage.INVALID_POSITION.getMessage());
+        }
+    }
+
+    private boolean validateDrawLinePosition(Position startPosition) {
+        validatePosition(startPosition);
+        // throw new IllegalArgumentException(ExceptionMessage.INVALID_DRAW_POSITION.getMessage());
+        return !isLineAtPosition(startPosition) && !isLineAtNextPosition(startPosition);
+    }
+
+    private boolean isInvalidPosition(Position position) {
+        return position.isBiggerThan(nodes.length - 1) ;
+    }
+
+    private boolean isLineAtPosition(Position position) {
+        return nodes[position.getValue()].isAlreadySetDirection();
+    }
+
+    private boolean isLineAtNextPosition(Position position) {
+        position.next();
+        boolean lineAtPosition = isLineAtPosition(position);
+        position.prev();
+        return lineAtPosition;
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/ladder/creator/LadderCreator.java b/src/main/java/ladder/creator/LadderCreator.java
new file mode 100644
index 0000000..55f2f9b
--- /dev/null
+++ b/src/main/java/ladder/creator/LadderCreator.java
@@ -0,0 +1,11 @@
+package ladder.creator;
+
+import ladder.Position;
+import ladder.Row;
+
+public interface LadderCreator {
+
+    boolean drawLine(Position row, Position col);
+
+    Row[] getRows();
+}
diff --git a/src/main/java/ladder/creator/LadderManualCreator.java b/src/main/java/ladder/creator/LadderManualCreator.java
new file mode 100644
index 0000000..f12a8ff
--- /dev/null
+++ b/src/main/java/ladder/creator/LadderManualCreator.java
@@ -0,0 +1,27 @@
+package ladder.creator;
+
+import ladder.GreaterThanOne;
+import ladder.Position;
+import ladder.Row;
+
+public class LadderManualCreator implements LadderCreator {
+
+    private final Row[] rows;
+
+    public LadderManualCreator(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
+        rows = new Row[numberOfRow.getNumber()];
+        for (int i = 0; i < numberOfRow.getNumber(); i++) {
+            rows[i] = new Row(numberOfPerson);
+        }
+    }
+
+    @Override
+    public boolean drawLine(Position row, Position col) {
+        return rows[row.getValue()].drawLine(col);
+    }
+
+    @Override
+    public Row[] getRows() {
+        return rows;
+    }
+}
diff --git a/src/main/java/ladder/creator/LadderRandomCreator.java b/src/main/java/ladder/creator/LadderRandomCreator.java
new file mode 100644
index 0000000..34595e2
--- /dev/null
+++ b/src/main/java/ladder/creator/LadderRandomCreator.java
@@ -0,0 +1,53 @@
+package ladder.creator;
+
+import ladder.*;
+
+import java.util.HashSet;
+import java.util.Random;
+
+public class LadderRandomCreator implements LadderCreator {
+
+    private final Row[] rows;
+    LadderSize ladderSize;
+    Random random = new Random();
+    HashSet<LadderPosition> lineCount = new HashSet<>();
+
+    public LadderRandomCreator(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
+        rows = new Row[numberOfRow.getNumber()];
+        for (int i = 0; i < numberOfRow.getNumber(); i++) {
+            rows[i] = new Row(numberOfPerson);
+        }
+
+        ladderSize = new LadderSize(numberOfRow, numberOfPerson);
+        makeLinesSet(numberOfRow,numberOfPerson);
+    }
+
+    @Override
+    public boolean drawLine(Position row, Position col) {
+        return rows[row.getValue()].drawLine(col);
+    }
+
+    public void makeLinesSet(GreaterThanOne numberOfRow, GreaterThanOne numberOfPerson) {
+
+        LadderPosition ladderPos;
+
+        while (lineCount.size() != ladderSize.getNumberOfRandomLine()) {
+
+            int rowIndex = random.nextInt(numberOfRow.getNumber());
+            int columnIndex = random.nextInt(numberOfPerson.getNumber() - 1);
+
+            ladderPos = new LadderPosition(Position.from(rowIndex), Position.from(columnIndex));
+
+            boolean validLine = drawLine(ladderPos.getRow(), ladderPos.getColumn());
+
+            if (validLine) {
+                lineCount.add(ladderPos);
+            }
+        }
+    }
+
+    @Override
+    public Row[] getRows() {
+        return rows;
+    }
+}
diff --git a/src/test/java/LadderTest.java b/src/test/java/LadderTest.java
deleted file mode 100644
index 741a915..0000000
--- a/src/test/java/LadderTest.java
+++ /dev/null
@@ -1,5 +0,0 @@
-import static org.junit.jupiter.api.Assertions.*;
-
-class LadderTest {
-
-}
\ No newline at end of file
diff --git a/src/test/java/ladder/NodeTest.java b/src/test/java/ladder/NodeTest.java
new file mode 100644
index 0000000..13667cc
--- /dev/null
+++ b/src/test/java/ladder/NodeTest.java
@@ -0,0 +1,43 @@
+package ladder;
+
+import org.junit.jupiter.api.Test;
+
+import static ladder.Direction.*;
+import static org.assertj.core.api.Assertions.*;
+
+class NodeTest {
+
+    @Test
+    void 오른쪽_방향_위치_이동_확인() {
+        Node node = Node.from(RIGHT);
+
+        Position position = Position.from(0);
+
+        node.move(position);
+
+        assertThat(position.getValue()).isEqualTo(1);
+    }
+
+    @Test
+    void NONE_방향_위치_이동_확인() {
+        Node node = Node.from(NONE);
+
+        Position position = Position.from(0);
+
+        node.move(position);
+
+        assertThat(position.getValue()).isEqualTo(0);
+    }
+
+    @Test
+    void 왼쪽_방향_위치_이동_확인() {
+        Node node = Node.from(LEFT);
+
+        Position position = Position.from(1);
+
+        node.move(position);
+
+        assertThat(position.getValue()).isEqualTo(0);
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/java/ladder/RowTest.java b/src/test/java/ladder/RowTest.java
new file mode 100644
index 0000000..841c50a
--- /dev/null
+++ b/src/test/java/ladder/RowTest.java
@@ -0,0 +1,156 @@
+package ladder;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.*;
+
+class RowTest {
+
+    @Test
+    void 한_칸_사다리_이동() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(2);
+        Row row = new Row(numberOfPerson);
+
+        //given
+        Position position = Position.from(0);
+        row.nextPosition(position);
+        //then
+        assertThat(position.getValue()).isEqualTo(0);
+    }
+
+    @Test
+    void 두_칸_사다리_선_이동() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(2);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(0));
+
+        //given
+        Position position = Position.from(0);
+        row.nextPosition(position);
+
+        //then
+        assertThat(position.getValue()).isEqualTo(1);
+
+        //given
+        position = Position.from(1);
+        row.nextPosition(position);
+
+        //then
+        assertThat(position.getValue()).isEqualTo(0);
+    }
+
+    @Test
+    void 세_칸_사다리_선_이동() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        Row row = new Row(numberOfPerson);
+        row.drawLine(Position.from(0));
+
+        //given
+        Position position = Position.from(0);
+        row.nextPosition(position);
+
+        //then
+        assertThat(position.getValue()).isEqualTo(1);
+
+        //given
+        position = Position.from(1);
+        row.nextPosition(position);
+
+        //then
+        assertThat(position.getValue()).isEqualTo(0);
+
+        //given
+        position = Position.from(2);
+        row.nextPosition(position);
+
+        //then
+        assertThat(position.getValue()).isEqualTo(2);
+    }
+
+    @Test
+    void 사다리_사람수_예외_처리() {
+        assertThatThrownBy(() -> new Row(GreaterThanOne.from(1)))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 사다리_최대_사람수_초과_예외() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        Row row = new Row(numberOfPerson);
+
+        //given
+        Position position = Position.from(3);
+
+        //then
+        assertThatThrownBy(() -> row.nextPosition(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 사다리_최소_사람수_미만_예외() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        Row row = new Row(numberOfPerson);
+
+        //given
+
+        //then
+        assertThatThrownBy(() -> row.nextPosition(Position.from(-1)))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 사다리_그리기_위치_초과_예외() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        Row row = new Row(numberOfPerson);
+
+        //given
+        Position position = Position.from(3);
+
+        //then
+        assertThatThrownBy(() -> row.drawLine(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 사다리_그리기_위치_미만_예외() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        Row row = new Row(numberOfPerson);
+
+        //given
+
+        //then
+        assertThatThrownBy(() -> row.drawLine(Position.from(-1)))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+//    @Test
+//    void 사다리_그리기_좌측_선_중복_예외() {
+//        //when
+//        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+//        Row row = new Row(numberOfPerson);
+//        row.drawLine(Position.from(0));
+//
+//        //then
+//        assertThatThrownBy(row.drawLine(Position.from(1))).isEqualTo(false)
+//    }
+//
+//    @Test
+//    void 사다리_그리기_우측_선_중복_예외() {
+//        //when
+//        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+//        Row row = new Row(numberOfPerson);
+//        row.drawLine(Position.from(1));
+//
+//        //then
+//        assertThatThrownBy(() -> row.drawLine(Position.from(0)))
+//                .isInstanceOf(Boolean.valueOf(false).getClass());
+//
+//    }
+}
\ No newline at end of file
diff --git a/src/test/java/ladder/creator/ManualCreatorTest.java b/src/test/java/ladder/creator/ManualCreatorTest.java
new file mode 100644
index 0000000..1d5bc68
--- /dev/null
+++ b/src/test/java/ladder/creator/ManualCreatorTest.java
@@ -0,0 +1,72 @@
+package ladder.creator;
+
+import ladder.GreaterThanOne;
+import ladder.LadderGame;
+import ladder.LadderGameFactory;
+import ladder.Position;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.*;
+
+class LadderGameTest {
+
+    // LadderGameFactory factory = new LadderGameFactory();
+    @Test
+    void 수동_사다리_생성_확인() {
+        //given
+        GreaterThanOne numberOfRow = GreaterThanOne.from(3);
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(5);
+
+        //when
+        LadderManualCreator ladderManualCreator = new LadderManualCreator(numberOfRow, numberOfPerson);
+
+        //then
+        assertThat(ladderManualCreator).isNotNull();
+    }
+
+    @Test
+    void 수동_사다리_사람_예외_처리_확인() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        LadderCreator ladderManualCreator = new LadderManualCreator(GreaterThanOne.from(2), numberOfPerson);
+        LadderGame ladderGame = LadderGameFactory.createManualLadderGame((ladderManualCreator));
+
+        //given
+        Position position = Position.from(4);
+
+        //then
+        assertThatThrownBy(() -> ladderGame.run(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    void 수동_사다리_결과_확인() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(4);
+        GreaterThanOne row = GreaterThanOne.from(3);
+        LadderManualCreator ladderManualCreator = new LadderManualCreator(row, numberOfPerson);
+        LadderGame ladderGame = LadderGameFactory.createManualLadderGame((ladderManualCreator));
+
+        ladderManualCreator.drawLine(Position.from(0),Position.from(0));
+        ladderManualCreator.drawLine(Position.from(1),Position.from(1));
+        ladderManualCreator.drawLine(Position.from(2),Position.from(0));
+
+        //given
+        Position position = Position.from(0);
+
+        //then
+        assertThat(ladderGame.run(position)).isEqualTo(2);
+
+        //given
+        position = Position.from(1);
+
+        //then
+        assertThat(ladderGame.run(position)).isEqualTo(1);
+
+        //given
+        position = Position.from(2);
+
+        //then
+        assertThat(ladderGame.run(position)).isEqualTo(0);
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/ladder/creator/RandomCreatorTest.java b/src/test/java/ladder/creator/RandomCreatorTest.java
new file mode 100644
index 0000000..3f68a55
--- /dev/null
+++ b/src/test/java/ladder/creator/RandomCreatorTest.java
@@ -0,0 +1,55 @@
+package ladder.creator;
+
+import ladder.GreaterThanOne;
+import ladder.LadderGame;
+import ladder.LadderGameFactory;
+import ladder.Position;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.jupiter.api.Assertions.*;
+
+class RandomCreatorTest {
+    @Test
+    void 자동_사다리_생성_확인() {
+        //given
+        GreaterThanOne numberOfRow = GreaterThanOne.from(3);
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(5);
+
+        //when
+        LadderRandomCreator randomCreator = new LadderRandomCreator(numberOfRow, numberOfPerson);
+
+        //then
+        assertThat(randomCreator).isNotNull();
+    }
+
+    @Test
+    void 자동_사다리_사람_예외_처리_확인() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(3);
+        LadderRandomCreator ladderRandomCreator = new LadderRandomCreator(GreaterThanOne.from(2), numberOfPerson);
+        LadderGame ladderGame = LadderGameFactory.createRandomLadderGame(ladderRandomCreator);
+
+        //given
+        Position position = Position.from(4);
+
+        //then
+        assertThatThrownBy(() -> ladderGame.run(position))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+    @Test
+    void 자동_사다리_결과_확인() {
+        //when
+        GreaterThanOne numberOfPerson = GreaterThanOne.from(8);
+        GreaterThanOne row = GreaterThanOne.from(8);
+        LadderRandomCreator ladderRandomCreator = new LadderRandomCreator(row, numberOfPerson);
+        LadderGame ladderGame = LadderGameFactory.createRandomLadderGame(ladderRandomCreator);
+
+        //given
+        Position position = Position.from(0);
+
+        //then
+        assertThat(ladderGame.run(position)).isNotNull();
+    }
+}
\ No newline at end of file