First room:
- Added grating on floor next to cube button to prevent unintended solution
- Added rescue signage to floor portal surface (used to get back up) under and behind light bridge area

Third room:
- Changed portal surface to the right of the moving platform from wall to floor, added rescue signage
- Added grating on floor between gel and platform floor buttons near entrance to prevent unintended solution
- Moved sphere button on wall that activates cube dropper from entrance to upper level

First room:
- Changed layout under light bridge, added grating over floor portal surface
- Slightly shrunk floor portal surface next to gel dropper

First room:
- Changed moving platform floor button into a cube button
- Slightly shrunk floor portal surface
- Moved fizzler inward slightly

Second room:
- Added grating on floor in front of angled panel

Third room:
- Added white strips above portal surface in the corner (below bridge button) to increase visibility
- Removed pedestal button below cube dropper, replaced with sphere button on wall by entrance
- Slightly shrunk grating in front of wall by entrance
- Added some portal surfaces to glass room behind gel dropper
- Adjusted glass panel door position to move the arms outside the enclosed area