If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
In this regular show game, benson has finally gotten fed up with rigby goofing off, and he's assigned muscle man as rigby's mentor. but if rigby can't finish the mentorship program, he's fired! help rigby hang on for dear life as muscle man rampages through the park. keep your ride going with awesome power-ups, and see if you can master muscle man's most important lesson: never quit!Good luck!
Mouse - Jump.
Spacebar - Slide to the side.