The Linux-version of the RPG/Strategy-Mix Tower of Time has received a very big (3 GB in size) patch on Steam:

Hotfix 0.6.2.1334 and Linux Patch (big)

Hello All,

We just released a hotfix 0.6.2.1334. The following issues are fixed:

Issues

Achievements will properly unlock

Linux

We also updated Linux build. We have tested it on Ubuntu 17.04. If you have a different distro and run into troubles with cinematics, please let us know. Thanks.

The huge (over 3 GB in size) big update for Verdun which has been released today, makes it possible to switch seamless to the front of Tannenberg (if installed).

Also it changes a lot "under the hood":

The extension Napoleonic Wars for Mount & Blade Warband has received a huge patch which among a lot of other improvements adds a new faction: the "Rheinund".

PATCH NOTES (1.2):

The publisher Aspyr released today the exploration flying game called Inner Space on Steam for Linux.
It has been developed by PolyKnight Games.

Your greatest journey is within.

The Steam-version of the strategy game Tooth and Tail has received the Patch 1.1.1.

This makes it possible to play together (or against) with owners of the GOG-version:

Finally the so called Fall-Update for Civilization VI has been released on Linux by Aspyr, incl. the DLC "Khmer and Indonesia Civilization & Scenario Pack" (if you own the Digital Deluxe Edition, otherwise get it here).

The winner of this years GitHub Game Off Jam has been announced: it is the game Daemon vs. Demon and has been done by the developer named Securas.

The game was made with the Godot-Engine and runs on Linux, Mac OS and Windows.