Game loop - https://scratch.mit.edu/projects/431155966/ [Right arrow → , Space] - Next slide [Left arrow ←] - Previous slide Hover with mouse on bottom part to show slider for quick changing pages.
This tutorial will show you how to create pen based game with no "touching" blocks. Watch this: https://youtu.be/wXI9_olSrqo https://youtu.be/DPfxjQ6sqrc