Great Hall 1

The Great Hall is a large room towards the front of Quadwrangle Manor that serves as the entry point for the mansion's three wings. The hall also contains a blueprint stand that serves as a level select screen. The Research and Development Lab may be reached from here.

Great Hall 2

This is where the player first acquires the handheld Inter-Dimensional Shift Device. Awkward Noise Generators appear on shelves and tables here after being found by the player in the game's levels.