Defend barricade against zombies and monsters. Collect friends with unique skills like cat, eagle, and turrets. Buy weapons and armor. Craft items. Take screenshots and share via camera icon.
Play by touching the screen to move and shoot enemies. Collect items to upgrade or change weapons. Upgrade spacecraft to enhance firepower. Navigate hazardous environments. Face increasing numbers of enemies. Protect Earth from swarms.
Play multiplayer battles on selected maps against friends or random opponents. Choose weapons and use power-ups like jumps or portals. Heal injuries and collect ammunition. Switch allies during matches.
