Zombie Panic! Source is a cooperative, survival-horror Half-Life 2's first-person-shooter modification! 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.
Here is the Official Zombie Panic Trailer at 480p, so settle in and enjoy!
This is the Official Zombie Panic! Source Trailer at 480p. If you have yet to try ZPS you can now install Zombie Panic! Source through Steam - Store.steampowered.com
All updates are automatic through the steam servers.
-ZP Development Team