Zombie Panic! Source is a standalone cooperative, survival-horror, first-person-shooter! 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.
Official Zombie Panic: Source "Mappers Remix" Club Zombo Runner Up Winner - RC
I like it. Reminds me of some of the clubs (Disco's) I have seen in Italy while on deployment.