Frictional Games has released their adventure horror game Penumbra: Black Plague for the Linux operating system on the heels of the recent demo. It can be purchased online for $19.99 US. If you’re interested in reading more about the game, there’s this review @ 1up.com.
The previous game in the series, Penumbra: Overture, was also released for Linux, and Frictional Games also just announced an upcoming expansion for Black Plague:
Last week an expansion to Penumbra: Black Plague was announced dubbed Penumbra: Requiem. This short but sweet expansion will give the players some final gritty details on the Penumbra story as well as a concentrated batch of puzzle solving. We are currently working away on the expansion and as we get further into development more details will be released, at the moment a July 2008 release date is the goal.