Currently free on the Epic Games Store:

Sid Meier’s Civilization® VI Platinum Edition
https://store.epicgames.com/p/sid-meiers-civilization-vi

Sale ends on July 24, 2025 at 15:00 UTC.

0 A.D. is a free and open source RTS game that saw a first release in years back in January, now an important bug fix patch is out now.
https://www.gamingonlinux.com/2025/07/impressive-free-and-open-source-rts-0-a-d-gets-an-essential-patch-update/

Blender's Studio Free Game: Dogwalk (made with Blender and Godot): https://blenderstudio.itch.io/dogwalk
#linux #linuxgaming #update #release #dogwalk #freegame #blender #godot

Lost Ark is a free to play MMO from Smilegate RPG and Amazon Games that was previously blocked on Linux platforms like SteamOS / Steam Deck but now works.
https://www.gamingonlinux.com/2025/07/lost-ark-from-amazon-games-appears-to-have-enabled-the-anti-cheat-for-linux-steamos/

STRAFTAT is a free to play arena shooter that's quite popular, and it just had a big content expansion with support for 4 players.
https://www.gamingonlinux.com/2025/07/popular-free-online-shooter-straftat-just-got-a-big-content-expansion-with-4-player-support/

After Wuthering Waves launched on Steam, it was left broken on all Linux platforms including SteamOS and Steam Deck but now it works.
https://www.gamingonlinux.com/2025/07/wuthering-waves-now-steam-deck-playable-and-works-on-desktop-linux-with-one-tweak/

The Blender Studio team have now released DOGWALK, a free casual game made with Godot Engine.
https://www.gamingonlinux.com/2025/07/dogwalk-is-a-free-casual-game-from-the-blender-studio-out-now/

DOGWALK is a free casual game from the Blender Studio out now #DOGWALK #Godot #Blender #FreeGame

DOGWALK is a free casual game ...

If you're totally broke you can claim some free games to keep on Steam right now, thanks to game publisher Slitherine Ltd.
https://www.gamingonlinux.com/2025/07/multiple-games-from-slitherine-are-free-to-keep-for-a-limited-time-like-battlestar-galactica-deadlock/

Previously free on the Epic Games Store:

Sky Racket
https://store.epicgames.com/p/sky-racket-4cf23a

Sale ended on July 17, 2025 at 15:00 UTC.

Previously free on the Epic Games Store:

Figment 2: Creed Valley
https://store.epicgames.com/p/figment2-creed-valley

Sale ended on July 17, 2025 at 15:00 UTC.

STEEL HUNTERS from Wargaming Group only arrived on Steam in April, and it's already going to be shut down by the developers.
https://www.gamingonlinux.com/2025/07/steel-hunters-is-another-live-service-casualty-as-its-shutting-down/

Previously free on the Epic Games Store:

Figment
https://store.epicgames.com/p/figment

Sale ended on July 10, 2025 at 15:00 UTC.

Previously free on the Epic Games Store:

Backpack Hero
https://store.epicgames.com/p/backpack-hero-449c5e

Sale ended on July 10, 2025 at 15:00 UTC.

Pretty much as expected, Mecha BREAK is out now and it's Steam Deck Verified but the anti-cheat is a real nuisance.
https://www.gamingonlinux.com/2025/07/mecha-break-is-out-now-on-steam-works-on-steam-deck-but-blocks-desktop-linux/

Haven't hawked our game on Mastodon for a while, and there might be new users to reach, so: If you grew up with and/or love classic JRPGs, don't have time to sink a hundred hours into a game, enjoy exploring and investigating, like reading dialogue and piecing clues together, and don't mind a bit of grinding, our game will be right up your alley. If you're interested, go to https://entangledpear.itch.io/fairy-tales and download it for free.

Bubbits is "next generation" bubble shooter puzzle game that has a demo available that's really worth a look if you have a competitive side.
https://www.gamingonlinux.com/2025/06/bubbits-is-a-next-generation-bubble-shooter-thats-going-to-make-me-far-too-competitive/

Previously free on the Epic Games Store:

Sable
https://store.epicgames.com/p/sable

Sale ended on July 3, 2025 at 15:00 UTC.

Valve announced via an official Team Fortress 2 blog post that the Mann vs. Machine mode is getting upgraded and they've called for help.
https://www.gamingonlinux.com/2025/06/mann-vs-machine-is-getting-an-upgrade-in-team-fortress-2/

Another free game release for you. Midnight Riff is a rhythm roguelike where you have to jam with the music to deal damage and win battles.
https://www.gamingonlinux.com/2025/06/midnight-riff-is-a-free-new-rhythm-roguelike-to-vibe-with/