Do you like survival games, how about one that has both a single-player story and a general survive mode? The Long Dark might be what you need and it continues to get better.
A feature that was often requested by Linux gamers, was a way for us to show developers there's a demand for a port. Valve has delivered something interesting to help.
As we reported back in early November, the developer of the 2D horror Corpse Party added a Linux version for testing. It's now officially supported on Linux.
Polyball is an interesting take on a 3D platformer that mixes in racing, inspired by games like Super Monkey Ball, Marble Madness, Trackmania, and Mario Kart. It has now left Early Access.