Quadropolis
What do the brown and grey backed building tiles mean?
The rulebook only says Expert-marked tiles are set aside for Expert mode; the brown and grey colors come from one player's post.
- Quadropolis rulebook · Rulebook · Buildings
- kenzlo · Community · 2017-09-24
Brown-backed tiles are the Classic set. Grey-backed tiles replace them in Expert mode, and the two sets are not mixed in one game.