To access map settings, click on Windows -> Map Settings. Unlike Editor Settings, these settings are per-map, and will have to be set accordingly each time you navigate to a different one.
Changes the color of the grid.
Line of Sight
When enabled, vision will be blocked by objects and walls configured to do so.
Players Shared Vision
Shares vision between all players.
Limit Vision Range
When enabled, allows the game owner to adjust character vision range.
Limit Field of View
When enabled, allows the game owner to adjust the angle of the character vision cone, as well as the default vision radius.
Players Have Map Memory
When enabled, removes the fog of war from previously visited locations when the player cannot see it.
Clear Map Memory
Clears the current map memory for all players.