How to install zm_gc_biohazard in CS 1.6?

Download the zm_gc_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_gc_biohazard right now?

Currently 0 servers are playing zm_gc_biohazard. The map has been played a total of 425 times across 1 servers.

Zombie zm_

zm_gc_biohazard

Servers playing now

Total servers

Times played

425

Last played

Nov 4, 2026

Download from GameBanana Similar maps

Servers playing zm_gc_biohazard0

No server is playing zm_gc_biohazard right now. Browse the server list

Daily activity

Daily totals from Jul 13 to Nov 4, 2026

Servers that played zm_gc_biohazard recently

1 server ran zm_gc_biohazard in the last 90 days.

Server	Rounds played	Last seen
Marvel Zombie \| MIRCS.RU	88	Nov 4, 2026

How to install zm_gc_biohazard

Download the zm_gc_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_gc_biohazard

zm_gc_biohazard is a Zombie map for Counter-Strike 1.6. It has been played 425 times across 1 servers. Last played on November 4, 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_gc_biohazard

Servers playing zm_gc_biohazard0

Daily activity

Servers that played zm_gc_biohazard recently

Other Zombie maps