Things You'll Need
Instructions
Download the "Z-Bot" mod for "Counter-Strike" version 1.6. The mod is available for free on several file hosting sites, such as Game Front, File Planet and Icy Hell.
Extract the contents of the folder into the "Counter-Strike" folder, which is located in your "Steam" folder, with a file extraction program. Click "Yes" to any files that have to be overwritten.
Start "Counter-Strike" by opening the game from Steam, clicking the desktop icon or inserting the game's disc. The game will boot to its main menu.
Click on "Find Match" to open the game's multiplayer hub.
Click "Create Match." A new window will appear that allows you to set the preferences for your match. Choose any preferences you have, such as adding a password to the server.
Click "Create" at the bottom-right of the screen to begin the match.
Press the tilda key (~) to bring up the game's console.
Type "bot_add_team" without the quotation marks to instantly create an enemy computer for both sides. To create a bot for a specific team, replace "team" with "t" or "ct" for Terrorists or Counter-Terrorists, respectively.