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 0 servers are playing zm_gc_biohazard_base. The map has been played a total of 3,784 times across 3 servers.

zm_gc_biohazard_base

Zombie

Servers Playing Now

Total Servers

3,784

Times Played

Jul 15, 2026

Last Played

Download from GameBanana Similar Maps

Daily Activity

No servers are currently playing this map.

About zm_gc_biohazard_base

zm_gc_biohazard_base is a Zombie map for Counter-Strike 1.6. It has been played 3,784 times across 3 servers. Last played on July 15, 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.

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
\|sS\| >>>Resident Evil<<< \|2\|	14	Jul 14, 2026
-L\|S- Zombie Plague [PFG VIP] [LSgamerZ.NeT] [1000 FPS] [FastDL]	10	Jul 14, 2026
ZombieGround.ru # Biohazard	3	Jul 14, 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.

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