If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Presenting a Super Mario fan game POWPOWPOW! CLIMB THE TOWER AND SMASH SOME POWS. SMPPP is an action packed, chaotic vertical platformer. Features 15 levels, 5 unlockable characters, 7 achievements and online leaderboards.
Arrow keys - move.
A - jump.
S - run/shoot.