It might not have the production values that Codemasters are able to achieve but Classic Racers still looks like a reasonably good hill-climb racer and it's now on Linux.
The Pedestrian is one of the more unusual games that has been emailed in recently, as it's platformer but what it does with the unique setting is quite amusing.
French developer Atelier 801 has recently announced Transformice Adventures, a new multiplayer action-RPG and it's coming to Linux sometime later this year.
Lord Winklebottom Investigates from UK-based developer Cave Monsters made up of just Charlotte Sutherland sadly failed the first Kickstarter attempt, however it was re-launched and it's now funded.
Overland from developer Finji is a game I've mentioned a few times here on GOL, it looks good and already plays good and the final release really is soon now.
Hidden Asset is a game I've been following since 2011 back when it was called Hostile Takeover, it's a real-time stealth game that's very promising and it's now needing funding.
Think you're made of tougher stuff? Killer Chambers will probably test you, given how you need some seriously slick reaction times and a good memory to survive it.