- Fixed geometry that made it possible to jump across the gap to the exit
- Reconfigured map layout to block an alternative solution that rendered the entire puzzle null
- Added buzzing ambience to testchamber info sign
- Slight texture tweaks
- Slight geometrical tweaks/added props
- Fixed an issue where portal could be placed on a surface with a lowered tile
- Solved 'trapped box' softlock with custom floor cube dropper by implementing button operation

- Added additional foliage
- Slightly adjusted geometry
- Altered texture placement on a couple brushes
- Fixed portal being placeable behind a raised tile
- Implemented previously cut second observation room
- Fixed freak softlock where the player could trap themself by launching an unretrievable reflective cube to the exit (...why did you do this?)
- Fixed PTI audio not playing at level start
- Water now correctly dies after the player leaves the entrance antechamber