Zombie Panic! Source
You can download Zombie Panic! Source from Steam

PC Games Like Zombie Panic! Source

Action Indie

Zombie Panic! Source is a Action Indie game. Released for PC on October 3rd 2008. We found 60 games which are visually similar to Zombie Panic! Source on PC.

Platforms: all PC

Released: October 3rd 2008

Includes level editor Includes Source SDK Mods (require HL2) Steam Achievements Steam Workshop Co-op First-Person FPS Free to Play Horror Mod Multiplayer Online Co-Op Open World Singleplayer Survival Team-Based Zombies cooperative mods