Land of Ruins
The Land of Ruins, also called Building A, is part of the Simulation.
The player begins the game in this land (specifically, in World A1). In order to leave it, they must collect the sigils 
by completing various puzzles.
Worlds
New Tools
Representations of a hexahedron and a connector are visible on a dais. Each can be unlocked by completing a tetromino arranger after collecting the requires yellow sigils.