Could this be the Myst of the Source engine?
‘INFRA’ is a freshly released first-person puzzle adventure game. It was initially created as a Portal 2 modification, but became a standalone Source engine title after Steam Greenlight success in 2013.
Last month, Infra finally came out on Steam, and so far, it has received a fairly positive response from the community, including a nomination for IndieDB’s Indie of the Year Awards in December 2015. We take a quick look.