This is a platformer engine. It is 100% pen except for the text. Press arrow keys or WASD to move. Press space to jump. Slide Zoom to zoom in and out. Slide Platformer and click green flag to change the platformer. Press R to reset back to the last checkpoint. Blocks: Black is regular Bright red is lava Dark red is damage block Dark green is heal block Bright green is checkpoint Orange is jump Transparent blue is gravity field Blue is slippery block Yellow is friction block Transparent yellow is friction field Rainbow is a button. When you touch a button, it can make blocks invisible or visible. The engine can make antigravity, enemies, moving blocks, and launchers.