1) Make sure all players have downloaded and installed the map correctly.
2) Start Dying Light Custom Game.
3) In the game menu choose Play Custom Map.
4) Select Harran Shelter (Co-op) and start the map.
5) When the map starts, press the escape key to open the game menu.
6) In the menu choose Options > Online > Game Type.
7) Set the Game Type to Friends.
8) Wait until the intro cutscene is finished and the first quest shows up.
9) You are now able to invite friends via Steam Invite.



1) Start Dying Light Custom Game.
2) In the game menu choose Play Custom Map.
3) Select Harran Shelter (Co-op) and start the map.
4) When the map starts, press the escape key to open the game menu.
5) In the menu go to Matchmaking and choose Find Games.
6) Check if your friend's session shows up and press Enter to join.
7) If there's no session showing up: go to Matchmaking and choose Quick Join instead.


- Make sure all players have downloaded and installed the map correctly.
- Make sure all players have launched Dying Light Custom Game instead of the normal Dying Light.