If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Green Lantern Combat Arena Game. You play as the newest Green Lantern - Hal Jordan. If your will is strong enough, you will use your new powers in an epic final battle.
Arrow key left/right - Move.
Arrow Up/Down - Sidestep/Dodge.
X - Use shield.
Z - Attack.
1-5 - Manually switch construct.