How to install ba_jail_arena_underground in CS 1.6?

Download the ba_jail_arena_underground 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 ba_jail_arena_underground right now?

Currently 0 servers are playing ba_jail_arena_underground. The map has been played a total of 142 times across 1 servers.

Base Assault ba_

ba_jail_arena_underground

Servers playing now

Total servers

Times played

142

Last played

Aug 10, 2025

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Servers playing ba_jail_arena_underground0

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

How to install ba_jail_arena_underground

Download the ba_jail_arena_underground.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 ba_jail_arena_underground

ba_jail_arena_underground is a Base Assault map for Counter-Strike 1.6. It has been played 142 times across 1 servers. Last played on August 10, 2025.

Base Assault (ba_) maps feature an objective where teams must attack or defend a base. These maps combine elements of bomb defuse and hostage rescue modes with unique base-building and assault mechanics.

ba_jail_arena_underground

Servers playing ba_jail_arena_underground0

Other Base Assault maps