: Adds a competitive layer to both single-player and co-op maps. You can compete for the fastest time or the fewest portals placed with global leaderboards. 2. Perpetual Testing Initiative (DLC 2)
: A professional-grade prequel with a full story and challenging puzzles.
: Introduces "One-to-One" object manipulation, allowing you to rotate , scale , and reach with objects in 3D space.