Method 1 (Steam favorites list)
- Start Steam
- Select the "Servers" option from the menu at the top (found in "View")
- Then click on "Favorites"
- Now the IP address of the game server can be added in the "FAVORITES" tab with a right-click (add server via IP address).
Note that port + 1 is used, that is, 27016 instead of 27015.
Method 2 (startup options)
Without password
- Start Steam
- Open the tab "Library> Games"
- Right-click on the game "ATLAS"
- Click on the "Properties" option
- Select the button "DEFINE LAUNCH PARAMETERS ..."
- Add the parameter '+ connect 127.0.0.1:27015' (exchange IP for server IP)
- Confirm with OK
- Start Game
The server can then be connected.
With server password
- Start Steam
- Open the tab "Library> Games"
- Right-click on the game "ATLAS"
- Click on the "Properties" option
- Select the button "DEFINE LAUNCH PARAMETERS ..."
- Add the parameter '+ connect 127.0.0.1:27015 + password "PASSWORD"' (exchange of IP / password by IP / password of the server)
- Confirm with OK
- Start Game
The server can then be connected.