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.
ZPS v2.0 Halloween Media
Aw man! Some zombie's gonna have a head ache after this! :D
your better gona pray they get more than a head ache
Well looks like we now know were L4D2 got their melee weapons idea from XD