This was a surreal, dream-like puzzle involving a miniature merry-go-round, colored blocks, and a seemingly random combination lock. Compared to the realistic house above, the basement felt like a fever dream. It was notoriously difficult. For weeks, the community was convinced the puzzle was bugged.
This mechanic, often called “dynamic difficulty” or “learning AI,” turned each death into a data point. Players didn’t just memorize a patrol route; they had to constantly innovate. One popular exploit in Alpha 4 involved hiding in a wardrobe for an extended period; the neighbor, after searching the room, would eventually become “bored” and return to his patrol, but he would always check the wardrobe first on his next pass. This created a palpable tension: the game remembers. You are not fighting a script; you are fighting a memory.