| Description: | Defend your core from the enemy waves! |
| Instructions: | Use your mouse to aim and shoot. Use Q and W or left and right arrow keys to rotate your core. To hit enemies you have to match up the colors -- green hits green and orange hits orange. Use the number keys or number pad (1-5) to activate skills. You have to unlock some first. |
| Added on: | Jun 25, 2009 |
| Play Count: | 2,738 |