Even though they still haven't managed to get the Linux version out yet, Harebrained Schemes and Paradox Interactive have announced the FLASHPOINT expansion for BATTLETECH.
Currently scheduled to release "Fall 2018", The Jackbox Party Pack 5 is the latest pack of crazy party games from Jackbox Games, Inc. and it should be coming out with Linux support.
Krush Kill 'N Destroy 1 and 2 are two classic real-time strategy titles from the 90's and a team of coders are looking to revive them using the open source OpenRA game engine.
Not many games will allow you to build a flying Steampunk fortress, while you brace for impact as a massive flying Kraken smashes it to pieces - Airships: Conquer the Skies let's you do that.
Fictorum is an action RPG with destructible environments from Scraping Bottom Games, they said last year they planned a Linux version and it looks like it's now happening.
Din's Legacy is promising some interesting gameplay features, along with full Linux support like their previous titles. Due sometime in the 4th quarter of 2018, it now has a trailer.
The latest and greatest in fine Wine is out today with Wine 3.14 filled with features and the usual bug fixes including support for DXTn texture decompression.