diff --git a/00skeleton.cpp b/00skeleton.cpp
index 5113fed..8f1b39c 100644
--- a/00skeleton.cpp
+++ b/00skeleton.cpp
@@ -34,6 +34,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/01shader_vbo1.cpp b/01shader_vbo1.cpp
index d75fbfb..49818bc 100644
--- a/01shader_vbo1.cpp
+++ b/01shader_vbo1.cpp
@@ -66,6 +66,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/01shader_vbo2.cpp b/01shader_vbo2.cpp
index a10ae88..4a4e6e4 100644
--- a/01shader_vbo2.cpp
+++ b/01shader_vbo2.cpp
@@ -68,6 +68,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/02indexed_vbo.cpp b/02indexed_vbo.cpp
index 44a594a..16beef5 100644
--- a/02indexed_vbo.cpp
+++ b/02indexed_vbo.cpp
@@ -66,6 +66,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/03texture.cpp b/03texture.cpp
index 8297af1..44b2b5a 100644
--- a/03texture.cpp
+++ b/03texture.cpp
@@ -66,6 +66,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/04perspective.cpp b/04perspective.cpp
index e9d212d..13edb74 100644
--- a/04perspective.cpp
+++ b/04perspective.cpp
@@ -72,6 +72,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/05fbo_fxaa.cpp b/05fbo_fxaa.cpp
index f90b478..3884269 100644
--- a/05fbo_fxaa.cpp
+++ b/05fbo_fxaa.cpp
@@ -72,6 +72,13 @@ int main() {
 
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/06instancing1.cpp b/06instancing1.cpp
index dfdc357..3a1bac6 100644
--- a/06instancing1.cpp
+++ b/06instancing1.cpp
@@ -72,6 +72,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/06instancing2_buffer_texture.cpp b/06instancing2_buffer_texture.cpp
index 7b8f0c4..f3be81e 100644
--- a/06instancing2_buffer_texture.cpp
+++ b/06instancing2_buffer_texture.cpp
@@ -75,6 +75,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/06instancing3_uniform_buffer.cpp b/06instancing3_uniform_buffer.cpp
index 99a9ab9..f0d887f 100644
--- a/06instancing3_uniform_buffer.cpp
+++ b/06instancing3_uniform_buffer.cpp
@@ -73,6 +73,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/07geometry_shader_blending.cpp b/07geometry_shader_blending.cpp
index acb3962..202d01d 100644
--- a/07geometry_shader_blending.cpp
+++ b/07geometry_shader_blending.cpp
@@ -75,6 +75,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/08map_buffer.cpp b/08map_buffer.cpp
index 56e0036..6ddfb9a 100644
--- a/08map_buffer.cpp
+++ b/08map_buffer.cpp
@@ -77,6 +77,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/09transform_feedback.cpp b/09transform_feedback.cpp
index fa191be..e99f863 100644
--- a/09transform_feedback.cpp
+++ b/09transform_feedback.cpp
@@ -76,6 +76,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/10queries_conditional_render.cpp b/10queries_conditional_render.cpp
index ecd660e..f5cf6a9 100644
--- a/10queries_conditional_render.cpp
+++ b/10queries_conditional_render.cpp
@@ -106,6 +106,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/11tesselation.cpp b/11tesselation.cpp
index b5e2c82..6b4b18b 100644
--- a/11tesselation.cpp
+++ b/11tesselation.cpp
@@ -80,6 +80,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/12shader_image_load_store.cpp b/12shader_image_load_store.cpp
index e7a3c6e..ef6ba02 100644
--- a/12shader_image_load_store.cpp
+++ b/12shader_image_load_store.cpp
@@ -72,6 +72,13 @@ int main() {
     
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/13compute_shader_nbody.cpp b/13compute_shader_nbody.cpp
index eaea0ec..790f468 100644
--- a/13compute_shader_nbody.cpp
+++ b/13compute_shader_nbody.cpp
@@ -76,6 +76,13 @@ int main() {
 
     glfwMakeContextCurrent(window);
 
+    // Bind ESC key press to close the application
+    glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods) {
+        if (action == GLFW_PRESS and key == GLFW_KEY_ESCAPE) {
+            glfwSetWindowShouldClose(window, true);
+        };
+    });
+
     if(glxwInit()) {
         std::cerr << "failed to init GL3W" << std::endl;
         glfwDestroyWindow(window);
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a1e3f0b..40278e0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,9 @@ cmake_minimum_required(VERSION 2.6)
   
 project(OPENGLEXAMPLES)
 
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
 option(BUILD_OGL43 "Bild OpenGL 4.3 examples" OFF)
 mark_as_advanced(BUILD_OGL43)