Irisu Syndrome is a freeware physics puzzle game created by Japanese developer wtatsu, about a group of friends on a summer camping trip that takes a dark turn when one of them goes missing. The gameplay involves shapes of various colors falling down in a tetris-like play field. It has garnered a small, cult following due in part to it's unconventional story.
Screenshots

- Platforms
- PC (Microsoft Windows)
- Genres
- Puzzle
- Developer
- wtetsu
- Release date
- October 2, 2008
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