How to install de_ison1 in CS 1.6?

Download the de_ison1 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 de_ison1 right now?

Currently 0 servers are playing de_ison1. The map has been played a total of 2 times across 2 servers.

What type of map is de_ison1?

de_ison1 is a Bomb Defuse map for Counter-Strike 1.6. In Bomb Defuse maps, the Terrorist team plants the bomb at designated bomb sites while Counter-Terrorists try to prevent detonation.

Bomb Defuse de_

de_ison1

Servers playing now

Total servers

Times played

Last played

Jul 31, 2025

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Servers playing de_ison10

No server is playing de_ison1 right now. Browse the server list

How to install de_ison1

Download the de_ison1.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 de_ison1

de_ison1 is a Bomb Defuse map for Counter-Strike 1.6. It has been played 2 times across 2 servers. Last played on July 31, 2025.

Bomb Defuse (de_) maps are the most iconic Counter-Strike 1.6 game mode. The Terrorist team must plant the C4 explosive at one of the designated bomb sites (usually A or B), while the Counter-Terrorist team works to prevent the detonation or defuse the bomb. Classic maps like de_dust2, de_inferno, and de_nuke have defined competitive Counter-Strike for over two decades.

de_ison1

Servers playing de_ison10

Other Bomb Defuse maps