![](https://www.eprison.de/pics/games/https://clan.akamai.steamstatic.com/images/25169494/a72ca2d9a4ab2a8868ca6b1e57cc1ce0494a0db3.png)
It allows you to draw simple graphics on the world map similarly to RoomVisual API. You can use it to display helpful infographics, debug info, multi-room paths visualizations, etc. It is available only in the new alpha version of the world map.
Check out the documentation for Game.map.visual.