PlayStation Portable / PlayStation 3
echochrome — a perspective puzzle game inspired by M.C. Escher, on PSP and PS3
無限回廊
Here, perspective determines reality. Everything exists because of what you see.
Introduction
Echochrome (Japanese: 無限回廊, "Infinite Corridor") is a unique perspective-based puzzle game developed by Japan Studio and Will, published by Sony Computer Entertainment in 2008.
The game's core concept is derived from the "Object Locative Environment Coordinate System" engine developed by Jun Fujiki. This revolutionary technology makes the game's physical laws and reality entirely determined by the player's perspective.
Players control a wireframe-style humanoid figure navigating through seemingly impossible geometric structures, creating paths by rotating and adjusting perspective, crossing chasms, and collecting "echoes" scattered throughout—shadow duplicates of themselves.
Release Date
2008
PSP: March 19 / PS3: May 1
Developer
Japan Studio & Will
Sony Computer Entertainment
Platforms
PSP / PS3 / PS4
PS4 release in 2022
Genre
Perspective Puzzle
56 levels · 7 difficulty tiers
“In the world of echochrome, what you see is all that exists.”— Core Game Design Philosophy
Core Gameplay
Echochrome is built upon five "Perspective Laws" that form its unique game mechanics. These laws break traditional physical cognition, making "seeing is believing" the core truth of the game.
Visual Diagram
Perspective Traveling
When two platforms appear connected visually, they become connected. Players can walk freely between these "visually connected" platforms.
Example:Even if two platforms are far apart in 3D space, as long as they appear to touch from the current perspective, the character can walk directly across.
Wireframe Figure
The player-controlled character, rendered in a minimalist wireframe style, automatically walks through scenes
Echoes
Shadow duplicates scattered throughout levels—collecting them is the primary objective
Impossible Architecture
The game's stage—geometric structures inspired by Escher's art
Inspiration
Echochrome's world is built upon the work of the 20th century's most influential visual artists and mathematicians, turning the "impossible" into playable reality.
Visual Art
M.C. Escher
Relativity (1953)
Dutch graphic artist renowned for mathematically-inspired art. His work "Relativity" depicts a world with multiple coexisting gravitational directions, directly inspiring echochrome's core concept.
Oscar Reutersvärd
Impossible Triangle (1934)
Swedish artist known as the "Father of Impossible Figures." His Penrose triangles and other impossible figures became important references for the game's geometric design.
Mathematics & Geometry
Penrose Stairs
Penrose Stairs (1959)
An impossible staircase designed by Lionel and Roger Penrose—a four-sided continuous staircase that appears to ascend endlessly yet returns to its starting point.
Projective Geometry
Projective Geometry
Echochrome's technical foundation—the Object Locative Environment Coordinate System (OLE Coordinate System)—is built upon the principles of projective geometry.
Escher's Key Works
1953
Relativity
Impossible space with multiple gravity directions
1960
Ascending and Descending
Endless staircase
1961
Waterfall
Perpetual water flow paradox
1958
Belvedere
Impossible architectural structure
“My work is a game, a very serious game.”— M.C. Escher
Creative Highlights
Echochrome is not just a game—it's an exploration of the boundaries of game design. Here are its creative breakthroughs.
Perspective is Reality
The core innovation transforms the philosophical concept of "seeing is believing" into game mechanics. Players don't change the world—they change how they see it.
This design philosophy was unprecedented in gaming at the time.
Minimalist Aesthetics
Pure black-and-white lines, simple geometric shapes—echochrome proves games don't need flashy graphics to create profound experiences.
A perfect interpretation of "less is more."
Classical Soundtrack
The game uses classical composers like Bach as background music, creating a meditative puzzle-solving atmosphere that perfectly complements the visual style.
Music becomes an inseparable part of the game experience.
No Guidance Design
The game has almost no tutorials or guidance. Players must discover and understand perspective laws on their own—making discovery itself the greatest joy.
Respecting player intelligence and curiosity.
Infinite Loops
Level design extensively uses loop structures. Players navigate through infinite staircases, experiencing the dizzying spatial paradoxes of Escher's work.
The end is the beginning, forming a perfect loop.
User Creation
The built-in level editor lets players design their own impossible architecture and share with players worldwide, greatly extending the game's lifespan.
The transformation from player to creator.
OLE Coordinate System
Object Locative Environment Coordinate System—a revolutionary game engine developed by Jun Fujiki. Its core philosophy: everything that happens in the game is determined by the camera's perspective.
- Camera perspective determines physical laws
- 2D projection creates 3D possibilities
- Real-time visual intersection calculation
- Dynamic path generation algorithm
Perspective Projection Principle
Influence
The perspective puzzle genre pioneered by echochrome has influenced countless subsequent works, becoming an important reference for indie and puzzle game design.
Timeline
2008
echochrome
PSP/PS3 debut, pioneering the perspective puzzle genre
PSP / PS3
2009
Echoshift
A spin-off with time manipulation, adding time loop mechanics
PSP
2010
echochrome II
Utilized PS Move controllers, creating paths through light projection
PS3
2014
Monument Valley
Developed by ustwo games, bringing perspective puzzles to mobile with massive success
iOS / Android
2017
Monument Valley 2
Sequel continues the perspective illusion gameplay, adding mother-daughter dual protagonists
iOS / Android
2022
echochrome (PS4)
Classic arrives on PS4
PS4
Inspired Works
Monument Valley
ustwo games
Directly inherited the core mechanism of perspective-created paths, but added color and narrative elements.
Fez
Polytron
Though conceptually different, also explores 2D-3D perspective transformation possibilities.
Superliminal
Pillow Castle
Expands the perspective-determines-reality concept to object size and distance manipulation.
Maquette
Graceful Decay
Combines recursive space concepts to create nested perspective puzzles.
15+
Years of influence
10M+
Total downloads of inspired games
1
New game genre pioneered
Gallery
Explore echochrome's unique visual world—from character design to level construction, every element embodies the perfect balance of simplicity and complexity.