- Just a basic 3D simulation. Use the ARROW KEYS to move and the SPACE KEY to jump. Please comment your fps because I want to make a game in 3D soon but I need to gauge the speed of most people's computers. Check out this awesome game: https://scratch.mit.edu/projects/173152230/ - Attention anyone wanting an extremely simple 3D block, here is a link to the project where you can put it in your backpack and use it without credit: https://scratch.mit.edu/projects/174690347/