I honestly feel like I need to take an entire week off just to play Tenderfoot Tactics, a mix of turn-based battling and open-world exploration that's out now.
Possibly one of my favourite strategy game releases of 2020, Fort Triumph blends together XCOM styled combat with HOMM (Heroes of Might and Magic) exploration into quite a gem that doesn't take itself too seriously.
Hybrid Beasts from Beastbits aims to modernise the classic turn-based battling found in Worms and hype it up a little, with a release now live on Steam in Early Access.
Possibly one of the most stylish turn-based strategy games around and one that's also rather difficult, Overland just had a big 1.2 update released with some funny new additions.
With its XCOM-like combat and a setting that merges together the supernatural with post-apocalyptic themes, Graywalkers: Purgatory is now available for Linux.
The ongoing saga of Civilization VI seeing online cross-play broken between updates continues, with it now once again back online as of the update today, September 10.
Sid Meier's Civilization VI has another free upgrade out now, which thankfully game porter Aspyr Media was able to get onto Linux (and macOS) right away but with a major caveat.
As the team at Firaxis Games continue to improve Civilization VI with the New Frontier Pass, they're also pushing out free game upgrades in between DLC releases.
Wildermyth, a tactical turn-based RPG with a Papercraft styled design that's like a tabletop RPG mixed with XCOM has recently had some pretty huge tech upgrades.
Red Hook Studios are currently working on the free DLC The Butcher's Circus and with Season 2 about to release, the Linux (and macOS) versions are just about ready.