Zombie Mod for CS2

Classic CS:S infection gameplay rebuilt on the CS2 engine – humans hold the line, zombies swarm, everyone screams.

CS2 Infection Open Source

What is Zombie Mod?

Fast, chaotic, asymmetrical rounds of survival horror built on Counter-Strike 2.

Humans vs. Zombies

At round start, a few players are infected. Humans scramble to barricade, find positions and coordinate. Zombies get faster, tougher, and keep coming.

Source spirit, CS2 engine

The feel of classic CS:S ZM and ZE with modern lighting, physics and hit registration. Old quirks like water behaviour and trigger issues are patched where possible.

Configurable and open

ConVars, JSON-like configs and class files let you tweak infection rules, knockback, movement, health scaling and more. Fork, extend or contribute on GitHub.

Featured servers

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PlagueFest | Zombie Mod 4.0 BETA
Server status: PlagueFest | Zombie Mod 4.0 BETA
MoOnLiGht | Zombie Mod 4.0 BETA
Server status: MoOnLiGht | Zombie Mod 4.0 BETA
Zombie ZEUS | Zombie Mod 4.0.0d Test Server
Server status: Zombie ZEUS | Zombie Mod 4.0.0d Test Server

How to play

New to ZM? Here’s the quick version.

For players

  • Humans: find a defensible spot, build a hold, stay with the group.
  • Zombies: you have infinite lives – feed, stack, overwhelm.
  • Don’t grief barricades. Don’t block teammates. Scream responsibly.

For server admins

Install Metamod, drop the ZombieMod plugin in, configure cs2fixes.cfg and your ZM cvars, then tune class and map configs to match your community.

See the Docs page or the GitHub README for full installation steps.

For map makers

Build routes that favour group movement and last-stand holds. Test with high player counts. If you hit CS2-specific issues like weird water or push triggers, open an issue with a sample map.

News & updates

Latest announcements pulled from the forums.

ZombieMod 4.0.0 a

Thu 06 Nov 2025, 16:25 c0ldfyr3

I've been hard at work on CS2 ZombieMod. Will have a beta ready by this Saturday.

What I need right now are people who can make graphics like a Discord icon and maybe redesign the website. Not too hot on the website, ChatGPT could make me a new one quite quickly, but as before, this will be a community-driven project.

What made ZombieMod special was the community we built around it. We, together, made it what it was. Unfortunately, I stopped working on it, and Zombiemod:Reloaded is the new big dog in town for CS:S, but this will be the first CS2 ZombieMod and hopefully the best.

Join our discord!

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Lil A aka Ghostface

Sun 02 Nov 2025, 10:00 c0ldfyr3

Hi all,

Long time! Someone recently contacted me about making a video about Lil A aka Ghostface of zm_lila_panic. He finished the video which you can see here.

Does anybody by any chance know how to contact Lil A aka Ghostface?

Meanwhile, I intend on doing two things in the immediate future. I am working on both as we speak. ZM 4.0 for CS:S and ZM 4.0 for CS2 :)

Thanks,

Jay / c0ldfyr3

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