We already knew that the Linux version of Divinity: Original Sin wouldn't be out at the same time as Windows, but we didn't know when at all. Users have been asking them about it a lot recently and they still claim it's going to be this year.
Shroud of the Avatar: Forsaken Virtues is a great looking RPG currently in pre-alpha that has Linux builds available, and it needs help to get on Steam. The game is being created by a team that includes Richard "Lord British" Garriott the creator of the Ultima series.
Even though we still haven't gotten the Baldur's Gate Enhanced Edition the developer has noted on twitter that Icewind Dale: Enhanced Edition is already in testing for Linux, and it's promising.
Shadowrun: Dragonfall - Director's Cut is the standalone and reworked version of Shadowrun: Dragonfall with new missions, a revamped combat system and more.
Torment: Tides of Numenera is another game heading to Linux from inXile entertainment that was funded on Kickstarter. They have released a new video to show off just how amazing it looks.
I'll get right to the point -- why do I think Stash: No Loot Left Behind deserves a penguin clan? The game is currently being funded on Kickstarter and only needs a little push!
Double Fine's charming RPG-come-puzzle game, Hack 'n' Slash has left Steam Early Access and is now released, along with Lua sources for engine scripts and Steam Workshop Support.
The Witcher 2 was released on GOG for Linux recently for DRM free fans, but sadly it was an older version that the GOG team put up. With all the performance improvements in the new versions it was needing an update. GOG have contacted us to let us know a patch is now available.
Chasm is the excellent looking RPG Platformer from Discord Games that will be launching into early access soon, and luckily the Linux release will come too.
Remember when Randy Pitchford of Gearbox told us not to get our hopes up? Then Borderlands: The Pre-sequel was confirmed for Linux? Well he's a funny guy as Borderlands 2 is now showing signs of coming over to Linux anyway. UPDATED
Virtual Programming are again delivering on their promises of better performance. The Witcher 2 has kicked off another round of beta versions and it comes with AMD related fixes too.
Icewind Dale: Enhanced Edition has been announced to much fanfare and it looks like it will be getting a Linux version. Well sort of, maybe, we aren't quite sure. Also there's another small bit of hope for the Baldur's Gate EE Linux version.