Developer: Rat King Entertainment
Platforms: PC, Mac, Linux
We've seen a lot of games where squares, rectangles, spheres, even hexagons have been given the spotlight. But the poor triangle is usually forgotten. Thankfully Tri gives the shape its day with a challenging puzzle platformer set in abstract environments and mechanics that offer a wide range of cool brain teasers.
developer's site, Desura and other stores, and vote for the game on Steam Greenlight.