| Description: | The aliens are back to snack on farmer brains. This time they are filled with ACID BLOOD! Look out, the acid will harm your defenses. Strategically place the crop circles to make the maze. Then set up your defenses, and blast the aliens back to outer space! |
| Instructions: | Mouse to select and place towers. |
| Added on: | Jun 25, 2009 |
| Play Count: | 9,508 |
Make a zigzag map, but leave room so that towers can remain a safe distance from the road. When invaders are killed, they spray acid blood and will eat away at nearby towers