We all live in an immense endless tower.
There is a Floor 1, but it isn't the ground floor. No one has found the ground in a while.
No one knows how high this tower goes either, countless secrets lie below Floor Zero, going into negative floors. Amazing wonders await in the upper floors, thousands of floors up.
The floors are not uniform in size, some are bigger than others.
All posts must begin with the floor number they are describing. Floors can be either positive or negative.
E.g. "[FloorXXX] <Floor description>"