Much awaited action role playing game Legends of Aethereus is now available to Linux users (Kickstarter backers). The game features a single player campaign, co-op and multiplayer modes, customization, crafting, PVE, PVP etc.
SWOOOORDS! Colon Lords of the Sword is a cooperative dungeon-crawling game for up to 4 players. It is inspired by Gauntlet, Golden Axe, Bastion, and Spiral Knights.
Popular free and open source roguelike/RPG Tales of Maj'Eyal (ToME4) is almost ready for its first stable release after having as much as 43 beta releases.
Faience theme pack has received a new update that introduces a new Faience-Ocre theme for Gnome-Shell and Faience-Claire GTK2, GTK3 and metacity themes (compatible with Unity).
Jason Rubin, President of THQ, has tweeted that they are looking at possibility of porting games to Linux. The Humble THQ bundle have given them enough feedback for considering Linux as a viable gaming platform.