How to install zm_gc_biohazard_base in CS 1.6?

Download the zm_gc_biohazard_base 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_base right now?

Currently 1 server is playing zm_gc_biohazard_base. The map has been played a total of 4,289 times across 1 servers.

Zombie zm_

zm_gc_biohazard_base

Servers playing now

Total servers

Times played

4,289

Last played

Nov 1, 2026

Download from GameBanana Similar maps

Servers playing zm_gc_biohazard_base1

Server	Players
ZombieGround.ru # Biohazard 46.174.50.62:27015	27/32

Daily activity

Daily totals from Jul 11 to Nov 1, 2026

Servers that played zm_gc_biohazard_base recently

3 servers ran zm_gc_biohazard_base in the last 90 days.

Server	Rounds played	Last seen
-L\|S- Zombie Plague /pfgvip [Free VIP] \| New Update \| [www.LSgamerZ.NeT] [1000 FPS] [FastDL]	204	Oct 6, 2026
\|sS\| Silent Soldiers	87	Sep 12, 2026
ZombieGround.ru # Biohazard	73	Nov 1, 2026

How to install zm_gc_biohazard_base

Download the zm_gc_biohazard_base.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_base

zm_gc_biohazard_base is a Zombie map for Counter-Strike 1.6. It has been played 4,289 times across 1 servers. Currently 1 server is running this map. Last played on November 1, 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_base

Servers playing zm_gc_biohazard_base1

Daily activity

Servers that played zm_gc_biohazard_base recently

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