Eversion

Eversion is a platform game originally released in 2008 for the Tigsource Commonplace Book Competition. The game is a short platform game, with the main feature having up to eight parallel layers within the game world, with each further layer being a decayed or deformed version of the previous one. The objective of the game is to collect as many gems as possible, and reach the flag at the end of each level.

The game is available as freeware, with an updated version being sold commercially on Steam.