How to install bio_acid_b1 in CS 1.6?

Download the bio_acid_b1 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 bio_acid_b1 right now?

Currently 0 servers are playing bio_acid_b1. The map has been played a total of 303 times across 1 servers.

What type of map is bio_acid_b1?

bio_acid_b1 is a Other map for Counter-Strike 1.6.

Other

bio_acid_b1

Servers playing now

Total servers

Times played

303

Last played

Oct 20, 2026

Download from GameBanana Similar maps

Servers playing bio_acid_b10

No server is playing bio_acid_b1 right now. Browse the server list

Daily activity

Daily totals from Jul 14 to Oct 20, 2026

Servers that played bio_acid_b1 recently

1 server ran bio_acid_b1 in the last 90 days.

Server	Rounds played	Last seen
© CSMOV.RU \| Zombie Biohazard ★	39	Oct 20, 2026

How to install bio_acid_b1

Download the bio_acid_b1.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 bio_acid_b1

bio_acid_b1 is a map for Counter-Strike 1.6. It has been played 303 times across 1 servers. Last played on October 20, 2026.