Basic 100% pen platformer test Unoptimized, more so a demonstration on how this can be done, or rather a test on how i can use line to line collisions. E to enter editor, click mouse and drag to place a line, use 1, 2, or 3 to place different lines. (1 is wall or floor, 2 is trampoline or wall, 3 is death.) (No deleting lines, because it's complicated. I might add deleting in the future though.) WASD or arrow keys to move, i added scrolling because why not? (scrolling collisions are SO easy in pen for me) (Yet I can't do touching block collisions :sob:) Note, this uses line to line collision so the collision isn't perfect unlike my AABB project. [ For those who don't know, normally 100% pen is considered to be one empty costume, one sprite and no backdrops, where everything visual is drawn by pen. Since there's nothing inside of the costume, touching sensing blocks aren't available for use and require some more problem solving to fix ]