Unturned

SURVIVE THE APOCALYPSE: Scavenge for supplies, hunt for food, and build shelter in a world overrun by zombies. EXPLORE MASSIVE LEVELS: Travel by air, land, and sea while discovering hidden secrets and NPCs to help and trade with. BUILD YOUR HOME: Fortify your base before heading back out to retrieve airdrops, scout deadzones, and battle hordes of supernatural undead. COOPERATE OR FIGHT: Team up with friendly players to arrest the bandits, or face-off in intense PvP raids. TRULY FREE-TO-PLAY: No pay-to-win mechanics, only cosmetic items to further customize your character. ENDLESS CREATIVITY: Create, share, and experience custom maps and mods through the Steam Workshop. SOURCE CODE: From new features to total conversions, you can rebuild the game with source code and project files available on GitHub.