Last month we wrote about Leadwerks coming to Steam on Linux and as of today it's available in an experimental/beta form. Josh Klint of Leadwerks announced the availability of Leadwerks on Steam in a very brief announcement.
Previously, the Leadwerks game engine has been available from the Ubuntu Software Store. Learn more about Leadwerks at Leadwerks.com. Embedded below is a video showing off the potential of Leadwerks.