If you haven't heard of Outcast before then you are either young or living under a rock, possibly both! Outcast was a revolutionary open-world action-adventure game back in the day. Outcast Reboot HD is promising Linux support at a hefty stretch goal.
You Have to Win the Game is a very interesting platformer game that has just been released on Linux. It's interesting because it's so retro it emulates old CRT screens (you know those screens we had before flat-panels) so it feels like you're playing on an old PC.
Game Dev Tycoon is a business simulation game that was developed by Greenheart Games. It was released on December 10, 2012 for Microsoft Windows, Windows RT, Mac OS X and Linux. The premise of the game is that you are starting your own video game development company in the 80s where the gaming industry initially started.
I got in touch with 11bit Studios about how the Linux version of their new game This War Of Mine will happen and luckily for us the answer is a good one. This is the same developer that created the Anomaly series of games.
A new voxel based action, adventure and creation game. Big focus on player created content such as characters, items, weapons, monsters, NPCs, quests, etc. I spoke to the developer on twitter just to check up on the game and the developer kindly replied to confirm a Linux version will come, so that is great news!
The developers of The Vanishing of Ethan Carter from The Astronauts have been working on this game for quite some time and the results are outstanding. So far, the game has been announced on the PC and PS4 platforms, but the devs are thinking about releasing a Linux version as well.