Use the arrow keys to move. Avoid the acid rain. Survive as long as possible and try to get the world high score! Impossible Mode has no high score, and for it to be impossible you need to do the mode twice.
Thanks to --Explosion-- for the character animation and land animation. The rain I did by myself. Thank you to TheChAotic for the start button. Let me know your high score in the comments. It is possible to get a really high score. I got 387. FEEL FREE TO ADVERTISE!