Stop the Alien Invasion by deploying Defenders and Using Items! Author Comments: Made by me, sponsored by FlashGamesNexus.com Stop the Alien Invasion by deploying Defenders and Using Items! Teleport Circles have been showing up across the world, but that's not all. Aliens have been teleporting through, who'd have thunk it? We need you to help command the Animal Alliance and deploy Defenders to protect the world. You'll get to control the Animal Alliance that includes a 10 mission story mode/tutorial. Currently 4 Gauntlet Levels (30 rounds of play each). 16 types of Defenders (8 for Animals and 8 for Robots) and 6 Item Types to stop 10 types of Aliens.