If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
A Koopas Revenge 2
S - jump.
A - run & attack.
After a harrowing quest to rescue his kidnapped Goomba pals, Koopa must chase down a mysterious robed assailant to rescue Bowser. Can you rescue your king and complete the game to 106%?