How to install zm_biohazard in CS 1.6?

Download the zm_biohazard map file (.bsp), place it in your Counter-Strike 1.6 "cstrike/maps" folder (usually at C:\Program Files\Steam\steamapps\common\Half-Life\cstrike\maps), and restart the game. The map will appear in the map selection menu or you can join a server running it.

How many servers are playing zm_biohazard right now?

Currently 0 servers are playing zm_biohazard. The map has been played a total of 2 times across 1 servers.

Zombie zm_

zm_biohazard

Servers playing now

Total servers

Times played

Last played

May 22, 2026

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Servers playing zm_biohazard0

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How to install zm_biohazard

Download the zm_biohazard.bsp map file from GameBanana or another trusted source.
Locate your Counter-Strike 1.6 installation folder. The default path is: C:\Program Files\Steam\steamapps\common\Half-Life\cstrike\maps\
Copy the .bsp file into the maps folder. If the download includes .wad or .res files, place them in the cstrike folder.
Restart Counter-Strike 1.6. The map will appear in the map list, or you can connect to any server running it from the server list.

About zm_biohazard

zm_biohazard is a Zombie map for Counter-Strike 1.6. It has been played 2 times across 1 servers. Last played on May 22, 2026.

Zombie Mod (zm_) maps are designed for the popular Zombie Plague modification. One team plays as zombies trying to infect humans, while humans must survive using weapons and barricades. These maps feature strategic defensive positions and escape routes.

zm_biohazard

Servers playing zm_biohazard0

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