Arrow Keys to move You can use the slider to adjust the jump height and the speed of the player. Just don't set either variable to 50 or more. It causes glitches to occur. By default, the speed is 2, and the jumpheight is 15. Unfortunately, this doesn't detect slopes.
From this tutorial: https://www.youtube.com/watch?v=pPHrXuGHGNc&index=1&list=LLJflbKLLO3b6coXm7Se3rtw The song is Hexagon Force, from geometry dash. This is also the first project where I have used a thumbnail, so yeah.