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.

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Ushering In A New Era, v3.0 Is Live!

Ushering In A New Era, v3.0 Is Live!

News 6 comments

It has been a long road, with a lot of obstacles and trials. Zombie Panic! Source v3.0 is finally out! Our team could not have foreseen the enormous amount...

Reviving the Community and Prepare for v3.0 Release!

Reviving the Community and Prepare for v3.0 Release!

News 4 comments

We hope everyone's as excited as our team is, as we're only 4 days away from the release of v3.0! We're working hard on the final polishing of the build...

v3.0 Has A Release Date! And It’s the Biggest Update Yet

v3.0 Has A Release Date! And It’s the Biggest Update Yet

News 16 comments

We’re happy to finally be able to announce that the v3.0 update for Zombie Panic! Source will be released on the 8th of December, this year! We've so...

Summer Development Progress Update

Summer Development Progress Update

News 10 comments

Like our last announcement, we have so much to discuss about our development progress and what we've done the past few months. While our main priority...

v3.0 Info, Release Window, & Now Accepting Team Applications!

v3.0 Info, Release Window, & Now Accepting Team Applications!

News 11 comments

The development has been, and still is, an incredible taxing but also enjoyable experience. Despite our team consisting of people from different cultures...

Phase 2 Voting for ModDB 2016 MOTY! + v3.0 Info

Phase 2 Voting for ModDB 2016 MOTY! + v3.0 Info

News 1 comment

Once again we'll need your help with voting ZP!S for ModDB 2016 MOTY! Phase 2 Voting for ModDB's 2016 MOTY began a few days ago. The voting will be open...

ModDB 2016 MOTY Nominations! + v3.0 Previews

ModDB 2016 MOTY Nominations! + v3.0 Previews

News 5 comments

We realize that we've already asked you guys for a lot during the Steam Award period. We're doing everything we can to gain publicity and create hype...

Nominate ZPS for: The "Test of Time" Award + Twitch Channel!

Nominate ZPS for: The "Test of Time" Award + Twitch Channel!

News

During the Steam Autum Sale, everyone has been given the chance to nominate their favorite games for various awards. We're currently working hard on the...

ZPS coming to Source Engine 2013!

ZPS coming to Source Engine 2013!

News 23 comments

Hello Everyone, Our team has some excited and long-awaited news to share with you! After years of delays and putting the development on hold many times...

Zombie Panic Status

Zombie Panic Status

News 13 comments

Hello everyone! We hope that you are all enjoying the new update. With the help from you, the community, we have been able to fix a lot of issues with...

ZP:S Maps Update Released!

ZP:S Maps Update Released!

News 3 comments

It's been a long time, ZPS Maps Update is finally here via Steam! Providing you with the latests fixes and improvements to the majority of the offical...

Contagion - Build 4366 Out Now, Release date announced, and more!

Contagion - Build 4366 Out Now, Release date announced, and more!

News 4 comments

It is with great pleasure that we can finally and confidently announce our Full Release and depart "Early Access" in today's News Post as well as share...

Contagion - Update Build 4209 & FF Ep16

Contagion - Update Build 4209 & FF Ep16

News 8 comments

We're reaching the hilltop and are moving towards a steadier pace of releases... Big releases! This one in particular is one of the major ones for the...

Contagion Kickstarter & Full Trailer!

Contagion Kickstarter & Full Trailer!

News 16 comments

Our Kickstarter is live! We feel it's finally time to release Contagion out on the world but we need your help! Check out our new trailer and donate if...

INDIEpendence Day Giveaway

INDIEpendence Day Giveaway

News 6 comments

We've hit 3,000+ Members on our Official Steam Group thanks to all of our fans support and to celebrate that accomplishment as well as Independence Day...

Contagion's Steam Shop, Release Announcement, and Official Group!

Contagion's Steam Shop, Release Announcement, and Official Group!

News 12 comments

Hot off the presses! We have some updates on the happenings over at Monochrome LLC including: Contagion's Steam Shop, Fall 2013 Release Announcement...

Zombie Panic is Hiring!

Zombie Panic is Hiring!

News 6 comments

The Zombie Panic team are looking for fresh blood to help us recreate and improve the overall quality of the Award winning HL2 Modification. We're determined...

ZPS v2.4 Halloween Release!

ZPS v2.4 Halloween Release!

News 10 comments

It's been awhile since we've managed a proper Halloween release! But ZPS v2.4 is now live on Desura and Steam!

Contagion Prize Giveaway!

Contagion Prize Giveaway!

News 4 comments

Do you play League of Legends? Want a chance to win a free character skin? Check here to find out how to win!

Contagion at Pax Prime!

Contagion at Pax Prime!

News 9 comments

We will be attending PAX Prime this year showing off the latest Contagion has to offer! Come by our booth #6417 for a chance at a hands-on demo and some...

ZPS 2.3 Update Live!

ZPS 2.3 Update Live!

News 35 comments

It's been awhile but ZPS v2.3 is finally available via both Steam and Desura with the latest hotfix resolving a few issues that popped up not long after...

ZPS 2.2 Release available on Desura!

ZPS 2.2 Release available on Desura!

News 8 comments

Zombie Panic: Source v2.2 (with Hotfix fixing previous crashes) is now live on both Desura and Steam so download and enjoy!

ZPS 2.1 Now On Desura!

ZPS 2.1 Now On Desura!

News 13 comments

We're excited to announce today ZPS v2.1 was published on Desura which has come a long way since beta.

ZPS 2.1 Released!

ZPS 2.1 Released!

News 83 comments

Zombie Panic: Source v2.1 has been packaged and sent off to Valve and we're now all eagerly awaiting to play with the community. Keep an eye open on 2.1...

ZPS Updates - Sneak Peek

ZPS Updates - Sneak Peek

News 20 comments

It's been too long since Zombie Panic: Source last posted news and with the team filling up again and other devs returning, we felt it necessary to post...

Official ZPS Comic

Official ZPS Comic

News 20 comments

An artists interpretation of where it all began for Eugene, Marcus, and Jessica...

Half-Life Creations & INX Present "Got Brains" ZPS Competition

Half-Life Creations & INX Present "Got Brains" ZPS Competition

News 7 comments

Half-Life Creations is holding a INX Sponsored ZPS Competition titled "Got Brains"

ZP:S and the Top 100 Mods of the Year

ZP:S and the Top 100 Mods of the Year

News 8 comments

Phase 2 is upon us and everyone is excited to see who's going to win this years mod of the year awards...

Happy Birthday ZPS! 2 Years Old Today!

Happy Birthday ZPS! 2 Years Old Today!

News 23 comments

It was exactly 2 years ago today that Zombie Panic: Source was released to the public and we have ModDB to thank for a lot of its success...

ZPS Shreddingfield Walkthrough Video

ZPS Shreddingfield Walkthrough Video

News 5 comments

A walkthrough of zpo_shreddingfield that is both educational and hilarious. Thanks to drrobot, okeido, galactic, and daan who put the montage together.