Zombie Panic: Source is a co-op oriented Survivor Vs Zombie multi-player survival horror modification for HL2. While our main priority is to make the mod as fun to play as possible, ZP:S plans to greatly expand on the core features of "Zombie panic" For HL1, with the obvious new features, impressive visuals, and of course atmospheric maps. More importantly ZP:S will not force players to fend against dumb and predictable AI, but instead keep the same intense thrill of surviving against intelligent and persistent player controlled zombies as the original.

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

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

Feb 24, 2014 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

Feb 7, 2014 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!

Sep 13, 2013 18 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

Jul 3, 2013 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!

May 18, 2013 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!

Apr 2, 2013 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!

Oct 31, 2012 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!

Sep 6, 2012 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!

Aug 28, 2012 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!

Aug 13, 2012 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!

Apr 26, 2011 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!

Feb 18, 2011 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!

Feb 8, 2011 84 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

Aug 13, 2010 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

Feb 8, 2010 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

Jan 31, 2010 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

Jan 9, 2010 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!

Dec 28, 2009 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

Oct 30, 2009 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.

ZPS v2.0 Available Now on Steam!

ZPS v2.0 Available Now on Steam!

Oct 28, 2009 21 comments

Zombie Panic! Source v2.0 is now available through Steam. We're also announcing this years Official ZPS Halloween Prop Modeling Contest!

ZPS Halloween Prop Modeling Contest Closed

ZPS Halloween Prop Modeling Contest Closed

Oct 21, 2009 3 comments

It is now the 21st of October and the deadline has been met. It's time to turn in your work so you can be eligible to win prizes...

ZPS Release almost here and Halloween Contest coming to a close

ZPS Release almost here and Halloween Contest coming to a close

Oct 17, 2009 29 comments

ZombiePanic! Source v2.0 Release almost here and our Halloween Contest is coming to a close.

ZPS v2.0 Sneak Peak + NOESIS Interactive Details

ZPS v2.0 Sneak Peak + NOESIS Interactive Details

Oct 6, 2009 3 comments

Showing you a sneak peak at ZPS v2.0 as well as an update to this years Official ZPS Halloween Prop Modeling Contest.

ZPS v2.0 Release Date and Halloween Contest

ZPS v2.0 Release Date and Halloween Contest

Oct 2, 2009 13 comments

Announcing Zombie Panic! Source v2.0 Release Date and to celebrate 5 years of Zombie Panic as well as Halloween we're holding an Official Halloween Prop...

Developer Stories 3

Developer Stories 3

Jul 17, 2009 8 comments

A short story about the development of ZPS. This story is about the time surrounding our release.

ZPS 1.6 is out now!  Get it via Steam!

ZPS 1.6 is out now! Get it via Steam!

Jun 26, 2009 15 comments

We just released 1.6 to Valve. This includes a hardcore option, as well as dual slot weapons and a few other features.

ZPS "Mappers Remix" Club Zombo Winners

ZPS "Mappers Remix" Club Zombo Winners

May 29, 2009 9 comments

The Official Zombie Panic: Source "Mappers Remix" Level Design Competition ended and winners for Club Zombo selected.

Official ZPS "Mappers Remix" Competition comes to a close

Official ZPS "Mappers Remix" Competition comes to a close

May 21, 2009 6 comments

The Official Zombie Panic: Source "Mappers Remix" Level Design competition has finished and now the entries will be reviewed and winners announced shortly...

Developer stories #2 (Level design - Shreddingfield)

Developer stories #2 (Level design - Shreddingfield)

May 5, 2009 7 comments

Here is another ZPS developer story to give you insight as to what kind of challanges and tasks our developers might have to face in daily modding life.

Zombie Panic! Source 1.5.2 update is now live on Steam!

Zombie Panic! Source 1.5.2 update is now live on Steam!

Apr 7, 2009 23 comments

A minor release is now available via steam, including map updates, minor exploit fixes, and an option to enable the old popular collision system!

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Platform
Windows
Developer
Monochrome LLC
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Official Page
Zombiepanic.org
Release Date
Released Dec 27, 2007
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