If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
The GreenLantern is eagar to his new power. Our hero need a little training. Please give him some guidance. Control the GreenLantern to fly through the cycle as fast as possible for the most stars and unlock next level.
Use left arrow and right arrow keys to control GreenLanter, up arrow key to speed up and down arrow to speed down.