arrow movement - k
bg audio - k
bg colour changer - m
difficulty menu handler - m
game data -k
heartbeat controller - k
ingame menu - k
menu handler - k
pause menu - k
quit tutorial - k
resolution - k
score handler - k + m
song parser - k + m
song selector - m
step generator - k + m
stop all audio - k
testing arduino - k
k - @karinakozarova
m - @MagiMarinowa