SURVIVE in the most anticipated mobile multiplayer zombie survival game for your iPhone!!!! Play with friends, scavenge and loot buildings, find food, guns, weapons to SURVIVE in the massive open world map. Experiment Z is a free-to-play multiplayer zombie survival game for mobile devices. Set in a vast open world, players must scavenge buildings, find food, and acquire weapons to survive against hordes of zombies. The game features both single-player and multiplayer modes, allowing players to team up with friends for cooperative gameplay.