Send out your Plant aliens troops to push back the persistence zombies trying to breach the Heaven . Only a well-planned out strategy will see the survival of your heaven in this action defense game. Features : 35 special missions and more .. 6 basic types of soldier plants aliens include gunner, blader, tanker and bomber + 12 basic enemy types, from crawling zombies to strong mutant creatures. 7 types of giant mutant bosses for extra action. Plenty types of zombies to challenge with Distinctive zombies to fight, making the game easy but challenging. Plenty of fun levels get you never bored ! Special equipment upgrade system also upgrades your enjoyment . Regular free updates with more missions and upgrades .