The developers of the Horror-game Among the Sleep recently released the Enhanced Edition of their game for Linux on Steam.
This -for all owners of the game- free update contains improved graphics, new dialogues, a Museum with "behind-the-scenes" and much more.
For the Lemmings-inspired strategy-game Zombie Night Terror the Patch 1.3.1 has been released for Linux ob Steam.
It contains among other things a Level-Editor and fixes the Linux-specific startup-bug.
Also the developer started a contest for the best self-made levels.