Edge Defender

Game description:

In this action-packed flash game, you must use your reflexes and quick thinking to defeat your enemies. To progress through the levels, you must hit the enemies off the edge of the screen. However, be careful not to let them hit you, or you will be knocked off the screen yourself. There are 25 levels in total, each one more challenging than the last. Can you make it to the end?

Game controls:

Player 1:
Arrow Keys, W,A,S,D Keys Move and Mouse Left Click Aim/Shoot