Are you asking about the current version of the game or are you suggesting how it could be improved? In the current version the placement of the rooms does not matter. You can technically place rooms halfway across the map that aren't connected to the starting bunker, but I'll fix that issue in the post-jam version. Currently only the ratio between the buggy rooms (white) and the resource rooms (green/blue/yellow) matters. The resource demands increase exponentially, which makes it too easy in the beginning and too hard later on, I'm fixing that as well.