-- Added a new tutorial which teaches the cube stacking under button principle.
-- In the main room, moved the cube dropping triggering laser receiver into the ceiling.
-- Added a scripted event, which encourages the player to look up. (Yes, this is still entirely made in Puzzlemaker.)
-- Improved the visual style of the map in many parts, by moving / changing light sources, adding decorative pipes, and rerouting some antlines.
-- Changed the layout of the corner that is behind the death field. There is now a glass panel that ensures that the player looks the right way when they press the pedestal button, so they see what it does.

Added a tutorial section.

Further reduce portalable surfaces to discourage "wrong" solutions.

One wall was forgotten as portalable. Fixed.

Initial release.