Here is a killer tower defence game for you to play for free. The Pokemon Invaders TD game is awesome. The Pokemon world is under attack and they need your help to defend their world. You will need a great tower defense strategy to help the Pokemon defend their central Team Rocket headquarters that the evil Pokemon are attacking. Use all of the different tower defense units and defenders to protect your headquarters and kill the bad guys in the Pokemon Invaders TD flash game. Play Fun Games at Fungames.com. Best Pokemon Invaders TD games.