If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Your objective is to survive as long as possible. Dodge bombs and use your abilities to go as far as you can. Try different characters! Each has a special ability.
A/D / Arrow keys left/right - Move.
W/Arrow up - Jump.
Space bar - Ability.
Shift/Control - Emp.