Wasteland Bites is an upcoming questionable cooking sim set in the post-apocalypse. It looks thoroughly weird and I want it now.
https://www.gamingonlinux.com/2025/06/run-a-post-apocalyptic-food-truck-in-wasteland-bites-and-serve-weird-meals-to-strange-creatures/

Reclaim the land from the sea in POLDERS, what the developer says is a "quintessentially Dutch" city builder inspired by Townscaper.
https://www.gamingonlinux.com/2025/06/polders-is-a-quintessentially-dutch-city-builder-inspired-by-townscaper/

ACTION GAME MAKER is the brand new release from Gotcha Gotcha Games, who are known for the RPG Maker series and it's good news for Linux fans.
https://www.gamingonlinux.com/2025/06/action-game-maker-confirm-plans-for-linux-support-for-the-editor-and-game-exports/

Mojang have given an update on the upcoming Vibrant Visuals update, that brings many visual enhancements to Minecraft.
https://www.gamingonlinux.com/2025/06/minecraft-java-is-going-through-quite-an-overhaul-for-the-upcoming-vibrant-visuals-update/

Pine Studio have put the Native Linux version of Escape Simulator back up, but they're still recommending you use Proton.
https://www.gamingonlinux.com/2025/06/escape-simulator-has-a-native-linux-version-again-devs-still-recommend-proton/

Another fresh release of the Heroes of Might and Magic II open source game engine fheroes2.
https://www.gamingonlinux.com/2025/06/heroes-of-might-and-magic-ii-open-source-game-engine-fheroes2-version-1-1-9-released/

Stardeus is a colony building sim set in space, where you build up your own spaceship to go off exploring and survive.
https://www.gamingonlinux.com/2025/06/starship-colony-building-sim-stardeus-gets-a-free-weekend-and-big-sale/

Another one with a good demo during Steam Next Fest is Paris Transylvania, a pachinko roguelike deckbuilder.
https://www.gamingonlinux.com/2025/06/check-out-the-demo-for-paris-transylvania-a-pachinko-roguelike-deckbuilder/

Ludeon Studios just announced the RimWorld - Odyssey expansion and it's huge.
https://www.gamingonlinux.com/2025/06/rimworld-odyssey-will-bring-spaceship-building-exploration-and-a-lot-more-content/

Theropods is an upcoming point and click adventure that combines puzzles with a cinematic story. The demo in Steam Next Fest is quite impressive.
https://www.gamingonlinux.com/2025/06/go-back-in-time-to-the-land-of-the-dinos-in-the-excellent-demo-for-theropods/

Selaco is by far my favourite upcoming shooter in Early Access. After the recent big update, they've put out some essential fixes.
https://www.gamingonlinux.com/2025/06/great-shooter-selaco-gets-fixed-up-for-steam-deck-and-many-more-bug-fixes/

No space for your own aquarium at home? Check out the sweet casual game We Love Fish Tanks and breed your own little world.
https://www.gamingonlinux.com/2025/06/chill-out-and-breed-fish-in-we-love-fish-tanks/

Nice to see the new cross-platform Nexus Mods app coming along. This latest update doesn't add new games but does making using it better.
https://www.gamingonlinux.com/2025/06/nexus-mods-new-app-gets-more-ui-improvements-performance-upgrades-and-a-linux-fix/

Gentoo Rescue from Jagriff seems simple on the surface but it's a real brain melting puzzle game that's well worth your time.
https://www.gamingonlinux.com/2025/06/gentoo-rescue-is-a-puzzle-game-with-twists-that-will-melt-your-mind-that-im-too-stupid-for/

Daedalic Entertainment and developers Undertow Games and FakeFish recently revealed the Home & Harbor expansion for Barotrauma.
https://www.gamingonlinux.com/2025/06/spooky-2d-co-op-submarine-sim-barotrauma-is-getting-a-big-home-harbor-expansion/

From the devs of Spiritfarer, At Fate's End is an action-adventure game where you fight the ones you love and your skill tree is your family tree.
https://www.gamingonlinux.com/2025/06/at-fates-end-is-the-next-game-from-the-spiritfarer-team/

After a big graphics overhaul last year, the co-op base-building exploration adventure Necesse is set for the big 1.0 in October.
https://www.gamingonlinux.com/2025/06/base-building-co-op-exploration-adventure-game-necesse-hits-1-0-in-october/

Theme Hospital open source game engine CorsixTH has a nice Beta release out with v0.69 now in testing for this classic.
https://www.gamingonlinux.com/2025/06/theme-hospital-engine-remake-corsixth-0-69-beta-1-out-now/

Near-Mage is a brand new hand-painted adventure from Stuck In Attic, who also made Gibbous - A Cthulhu Adventure.
https://www.gamingonlinux.com/2025/06/near-mage-is-a-gorgeous-looking-new-hand-painted-witchy-adventure/

There's a big Borderlands Franchise Sale on Steam, and you can get a free to keep copy of Borderlands 2 for a limited time.
https://www.gamingonlinux.com/2025/06/borderlands-2-is-free-to-claim-and-keep-on-steam/