How to Play Dota 2 Without Internet Connection

I. Setup a LAN Dota 2 server

Do these steps on a computer that will act as the server.

1. Right click Dota 2 in Steam and select "Properties"
2. On "General" tab, click "Set Launch Options" and type in -console
3. Click OK and click Close
4. Start Dota 2 and you would see a console similar to image shown below:
   
   
   
   
   
5. In console, type and run the following commands:
• sv_cheats 1 
• sv_lan 1 
• dota_bot_set_difficulty 4 
• dota_start_ai_game 1 
• dota_force_gamemode 1 
• map dota.bsp 
• jointeam good/bad

II. Get IP and PORT of the Server

Do these steps on a computer that will act as the server.

1. In console, you will see something like : "Opened server (27015) (threaded)"
   
   
   
   
   In our example image above, it shows that 27015 is the "PORT"
2. Get the "IP" of the server
• Follow instructions here : https://www.wikihow.com/Find-an-IP-Address

III. Join the server

Do these steps on all computers that will join the server

1. Repeat steps 1 to 4 in I. Setup a LAN Dota 2 server
2. In console, type and run the following commands:
• connect IP:PORT
• jointeam good/bad
  
Note: Change IP and PORT with values from II. Get IP and PORT of the Server

IV. Fill empty slots with bot heroes

Do this step on a computer that will act as the server.

1. In console, type and run the following command:
• dota_bot_populate