Developer: Evan Todd
Platforms: PC (potentially Mac, Linux)
Lemma is an immersive first-person parkour game. Every parkour move has the potential to modify the environment. Surfaces pop in and out of existence at will.
alpha here to get a feeling of the gameplay and world. The developer is working on new content and additions, such as blocks that expand at your touch, switches that allow for machinery like elevators, and improved animations. You can learn more about Lemma here and on TIGForums, support the game on Kickstarter, and vote for it on Steam Greenlight.