How to install zm_bio_basic in CS 1.6?

Download the zm_bio_basic 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_bio_basic right now?

Currently 0 servers are playing zm_bio_basic. The map has been played a total of 646 times across 1 servers.

zm_bio_basic

Zombie

Servers Playing Now

Total Servers

646

Times Played

Apr 12, 2026

Last Played

Download from GameBanana Similar Maps

No servers are currently playing this map.

About zm_bio_basic

zm_bio_basic is a Zombie map for Counter-Strike 1.6. It has been played 646 times across 1 servers. Last played on April 12, 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.

How to Install zm_bio_basic

Download the zm_bio_basic.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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