N++ a simple, fast-paced, momentum-based platformer has been confirmed by the developers as being on it's way to Linux.
Yooka-Laylee is a game being created by the minds behind Banjo-Kazooie. A playable Toybox was recently released to Kickstarter backers.
Ethan Lee is at it again, the hit indie platformer FEZ has released the big 1.2 update that ditches MonoGame for FNA.
Featherpunk Prime is a new indie platformer with a lot of action that is being released on September 1st, and the developers are aiming for a simultaneous release for Linux.
Slain is one of those games that got released with many issues, thankfully the developers listened and created Slain: Back from Hell which is a revamped version. It's now also available for Linux.
Honestly, I've never heard of this game before, so I can't give an opinion about it, but I do think that its aesthetics and background score look pretty interesting. The creators clearly state they took inspiration from Limbo, but also some comparisons with Fran Bow can be made. There's also a key give-away!
Orange Moon, a 2D action platformer game with RPG elements and puzzles, full of dangerous native life forms, raiders, remnants of alien civilization and harsh environments. According to the game developer, a giveaway of 60 keys will be celebrated as part of the daily contests IndieDB started making recently.
Bleed 2 is a new very action-packed platformer that is being ported to Linux by Ethan Lee, he's even noted directly in the trailer!
Trials of Azra is the first release of Onion Core, a small studio of only two people, whose most relevant mechanic is the ability to control the enemies you killed to solve otherwise impossible situations.
The sequel to 2014 adventure platformer The Fall has a confirmed simultaneous Linux release slated for early 2017. To help celebrate this, The Fall has also been updated with developer commentary and some visual refinements.
Momodora: Reverie Under the Moonlight is a rather highly rated platformer and it looks like it will come to Linux.
Heavy Metal music mixed with fast paced 3D platforming, what's not to love about it? SEUM: Speedrunners from Hell is now out and features day-1 Linux support.
IndieDB is currently giving away 20 free Steam keys for platformer game Prison Run and Gun, a standalone expansion to Hot Guns.
FOX n FORESTS, a 16-Bit style action platformer that has adventure and puzzle elements is on Kickstarter, it looks good and promises Linux support, so I asked about the status of the Linux version.
Best Buds vs Bad Guys is a very cool looking action platformer that is now fully funded and is officially heading to Linux.
Rock, Paper, Shotgun, in association with Bundle Stars, are currently giving away 100.000 free keys for Megabyte Punch.
Trial by Viking is a new platformer available for Linux that has over 100 levels, I checked it out and these are my thoughts.
Good news, after chatting with Team17, it seems Worms W.M.D will now be a day-1 Linux release which is fantastic.
Team17 have announced that Worms W.M.D will release on August 23rd, but the Linux version is going to be post-launch.
Fossil Echo is a pretty awesome looking story-driven platformer that has plans for a Linux version, it's not ready just yet but will be soon.