Added a couple portal surfaces in the first room.

Replaced a light bridge with a floor in the first room.

Lowered the pellet catcher and emitter slightly in the first room.

Replaced a couple light bridges with portal surfaces in the second room.

Replaced the glass with grating in a different location in the second room.

Removed a pedestal button in the second room.

Removed an auto save in the second room.

Light bridge timer reduced from 5s to 3s.

Replaced a puzzle with an almost entirely new puzzle in third room.