arrow keys to move, get to the green and don't touch the red! Spam the green flag before you start, like, 10 times. if it glitches, restart your browser. also, click "r" to restart a level.
All the levels are entirely possible, but it is a hard platformer. I updated the game and added a trail, and also a death effect. the original death effect is here: https://scratch.mit.edu/projects/295560036/