Mugen Kairou is a puzzle game for the PlayStation Portable developed by Sony's Japan Studio. Players navigate a mannequin through a visually complex world, where the gameplay mechanics rely heavily on perspective and manipulation of the environment. The design features elements reminiscent of impossible structures found in the art of M. C. Escher, challenging players to solve intricate spatial puzzles.
Echochrome is a puzzle game created by Sony's Japan Studio and Game Yarouze. Gameplay involves a mannequin figure traversing a rotatable world where physics and reality depend on perspective. The world is occupied by Oscar Reutersvärd's impossible constructions. This concept is inspired by M. C. Escher's artwork, such as "Relativity".
The game is based on the Object Locative Environment Coordinate System developed by Jun Fujiki—an engine that determines what is occurring based on the camera's perspective.