Zombie Ufo is a Skill game on ZiLigames.Com. You can play Zombie Ufo in your browser for free. There is a Zombie wanted to fly as high as he can. Collect balloons to fly higher, collect brains for an upgrade and avoid or destroy many kind of obstacles. There are 3 kinds of upgrades, each consisting of 5 levels of upgrades and there are some achievements in this game.