This is weird. The developer of VIDEOBALL has stated that they want a Linux & Mac version, but told people essentially it's the publisher who needs to be spoken to about it.
Tahira: Echoes of the Astral Empire, a tactical turn-based RPG in which a 20-year-old princess must save her people from a genocidal empire, launches on Linux on August 31, 2016.
Arcen Games, LLC latest game In Case of Emergency, Release Raptor is a very silly themed game and it's having repeated delays. It will now launch on July 21st.
2D action adventure Buck is on Kickstarter with a Linux demo, and so is dungeon crawler Wizard of Legend and fantasy LGBT VN Eldet. Plus more campaigns than you can shake a stick at.
Slayer Shock is the next game from David Pittman (Eldritch, NEON STRUCT) and Minor Key Games (Super Win the Game, Gunmetal Arcadia) that will see you hunting vampires.