| Zombie Panic! Source | |
|---|---|
 Zombie Panic! Source logo | |
| Developer(s) | Zombie Panic! Team |
| Publisher(s) | Zombie Panic! Team |
| Engine | Source Engine |
| Platform(s) | Microsoft Windows |
| Release | December 28, 2007 (v1.0) October 3, 2008 (v1.3) (Steam release) |
| Genre(s) | First-person shooter, survival horror |
| Mode(s) | Multiplayer |
Zombie Panic! Source is a cooperative survival-horror Half-Life 2 first-person shooter modification. It is the sequel to the Half-Life mod Zombie Panic. Set in the middle of a zombie apocalypse, players start as a small group of survivors attempting to stay alive. Each map will have its own objectives to complete and win the round or survive by a period of time.
Initially released on December 28, 2007, via Mod DB page as a public beta (v1.0) and later re-released for Steam via Steamworks on October 8, 2008, as a free-to-play game.