zm_biohazard_zone — Counter-Strike 1.6 Zombie Mod

Free Zombie Mod · No download · No install · Instant play

zm_biohazard_zone is a CS 1.6 map made for Zombie Mod. As a zm_* map, it joins 697 other zombie-survival maps in that family that we host with a real overview. Over March–July 2026, zm_biohazard_zone showed up on 2 public CS 1.6 servers, and player counts reached 23 at their busiest. This page carries the full zm_biohazard_zone overview image — play it free in your browser, no download, no install.

Play zm_biohazard_zone nowBrowse servers

About zm_biohazard_zone

Author	CZ|Luther
Category	Zombie Mod
Released	July 9, 2015
Downloads	1,429
File size	1.6 MB
License	CC BY-NC-ND 4.0
Download	zm_biohazard_zone on GameBanana
Source	GameBanana

Prefer the classic install? Download zm_biohazard_zone on GameBanana. Or skip it — on Combat Skirmish there is nothing to download: zm_biohazard_zone loads in your browser the moment you press Play.

How zm_biohazard_zone plays

zm_biohazard_zone is a Zombie Mod map. Humans buy weapons and weld or block chokepoints to hold off the horde; zombies use speed and knockback-resistant health to break the line. Survive to the end of the round as a human, or infect everyone as a zombie. On Combat Skirmish it runs directly in your browser through WebAssembly — click Play and you are dropped straight onto a live public server, no Steam account or download required.

Counter-Strike 1.6 servers that play zm_biohazard_zone

During our March–July 2026 scan of the public master list, zm_biohazard_zone was seen on 2 Counter-Strike 1.6 servers, with as many as 23 players on at once. The servers below ran zm_biohazard_zone at some point in that window — ordered by how recently we last saw them on it (shown in Last seen). A server may be on another map right now; clicking Play connects you to it as it is, straight from your browser — no Steam, no download.

Server	Peak players	Last seen on zm_biohazard_zone
Counter-Strike 1.6 server	—	July 21, 2026	Play →
•• [ZM] Начало Апокалипсиса ••	up to 23	July 11, 2026	Play →

See who's playing zm_biohazard_zone right now → — a live list, updated continuously.

“Last seen” is when our public-master-list scan last observed the server running zm_biohazard_zone — not a live status. Withheld names were removed by our name filter; the server, its activity and its connect link are unchanged.

Related maps

More Zombie Mod maps

See all Zombie Mod servers → · Browse every map →