If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Stick Gangster Duel
Z - shoot.
X - dynamite.
In Stick Gangster Duel you have to battle other stick figures which are dropped from the air. Can you shoot them off the platform before they blast you off? Use the arrow keys to move, Z to shoot and X to drop bombs.