
Find a way through the towers and dungeons of TRI by solving puzzles, climbing impossible ascents and reflecting light-rays. The mystical TRI will let you create your own paths in this strange world – just try not to lose your mind when you're falling upside down!

Play through the first four Chapters.

Play through Chapter 5 to 8.

Play through Chapter 9 to 11.

Play through Chapter 12 and 13.

Play through Chapter 14 and 15.

Play through the tutorial mission.

Complete TRI.

Minimum OS *: Windows XP Processor: i3, 2.5GhZ Memory: 2 GB RAM Graphics: Card with Shader Model 3 DirectX: Version 9.0c Storage: 440 MB available space Recommended OS *: Windows Vista or better Processor: i5, 2.8GhZ Memory: 2 GB RAM Graphics: Good gamer card with Shader Model 3 DirectX: Version 9.0c Storage: 440 MB available space Sound Card: yes
Minimum OS: Mac OS X 10.6 (64bit) Processor: i3, 2.5GhZ Memory: 2 GB RAM Graphics: Card with Shader Model 3 Storage: 440 MB available space Recommended OS: Mac OS X 10.6 (64bit) or better Processor: i5, 2.8GhZ Memory: 2 GB RAM Graphics: Good gamer card with Shader Model 3 Storage: 440 MB available space Sound Card: yes
Minimum OS: Ubuntu 10.10 Processor: i3, 2.5GhZ Memory: 2 GB RAM Graphics: Card with Shader Model 3 Storage: 460 MB available space Recommended OS: Ubuntu 10.10 or better Processor: i5, 2.8GhZ Memory: 2 GB RAM Graphics: Good gamer card with Shader Model 3 Storage: 460 MB available space Sound Card: yes