The Blue Building is located in Centropolis. It is the tall very narrow very blue threepointed needle in the upper right of the map. It is the only place on Subeta that is bound to total secrecy in what lies inside it. If a user is found revealing its secrets they get warned. The blue building is currently the only place that you can adopt a Bumbus.
The blue building also requires certain tasks before entering:
- Obtain a blue building password
- Obtain at least 250 achievements
- Have at least 25 trading cards in your collection
- Train one pet to have at least 100 combined in the following stats: Strength, Defense, Health, and Speed
- Have at least 100 posts in the forums
- Complete at least one original treasure map
Before it's retirement one of the requirements for entering the BB was to have answered 10 trivias correctly.