That's right, the newest game in the Battle Fleet series is now available on Steam for Mac & PC. Check out the Steam page for trailer and details:
https://store.steampowered.com/app/400350/Battle_Fleet_Ground_Assault/
Battle Fleet: Ground Assault builds upon the Battle Fleet series unique turn-based strategic and tactical gameplay, by focusing on land battles this time instead of naval campaigns, adding destructible environments, armor, shell types and a brand new single player campaign.
Get it 10% off during the launch sale.