How to install c21_ost2 in CS 1.6?

Download the c21_ost2 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 c21_ost2 right now?

Currently 1 server is playing c21_ost2. The map has been played a total of 6,471 times across 3 servers.

c21_ost2

Other

Servers Playing Now

Total Servers

6,471

Times Played

Jul 23, 2026

Last Played

Download from GameBanana Similar Maps

Daily Activity

Servers Playing c21_ost2 1

Server	Players
- rayish.com 2 - Hide-N-Seek [c21]	1/19	View

About c21_ost2

c21_ost2 is a Other map for Counter-Strike 1.6. It has been played 6,471 times across 3 servers. Currently 1 server is running this map. Last played on July 23, 2026.

Servers that played c21_ost2 recently

3 servers ran c21_ost2 in the last 90 days.

Server	Rounds played	Last seen
csko.cz \| Hide & Seek c21	89	Jul 22, 2026
csko.cz \| Hide & Seek c21	88	Jul 22, 2026
- rayish.com 2 - Hide-N-Seek [c21]	14	Jul 22, 2026

How to Install c21_ost2

Download the c21_ost2.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.