How to set the game options?
When you have created a game room, you are automatically the host of the room. When you are the host of a room, you have the power to decide how to set the options of the room.
In the game room, click the options button settings, and select settings "game options". The options are the following:
Click the button "OK" to record the options. The title of the window will change, and the options of your room will be updated in the lobby's games list.