Z Wars Tower Defense is a very interesting defense game that you can play on www.games501.com for free. Your mission is to place the towers strategically to protect your castle from destruction. This game is a ggod way to practice your logical thinking ability. There are laser, gas poison, spike and bomb towers .Different towers have different feathers. This well-designed flash game is a wonderful selection for your spare time and it will bring you a very pleasant time. Good luck!























