Blank Wallpaper

Blank Wallpaper is a building that has no resource cost at all, making it the only structure in the game that can be placed without spending any materials. This makes it a unique case among construction options and a convenient way to fill or decorate space without affecting a colony’s stockpiles.

Because it is cost-free, Blank Wallpaper stands out more as a special building than a normal progression piece. Its main significance is simply that it can be built with no resource investment, so it serves as a rare exception in the game’s construction system.