Valve have truly opened the floodgates for Team Fortress 2 mod teams when they added TF2 to the Source SDK, with Team Fortress 2 Legacy announced for a Steam release.
https://www.gamingonlinux.com/2025/04/team-fortress-2-legacy-not-to-be-confused-with-team-fortress-2-classic-is-coming-to-steam/

Gravelord is an Early Access boomer shooter from Fatbot Games, creators of the dungeon crawler series Vaporum, and the latest update makes it more accessible with it now Steam Deck Verified thanks to the addition of controller support.
https://www.gamingonlinux.com/2025/04/boomer-shooter-gravelord-adds-controller-support-and-gets-steam-deck-verified/

Nice to see Valve getting more pre-release testing done for major games. SILENT HILL f has now been rated Steam Deck Playable.
https://www.gamingonlinux.com/2025/04/silent-hill-f-gets-rated-steam-deck-playable/

Jackbox Games just held their first Jackbox Direct event to detail what they're working on with Jackbox Party Pack 11 being announced with all-new games. Additionally, we got a tease of a standalone game Trivia Murder Party 3.
https://www.gamingonlinux.com/2025/04/the-jackbox-party-pack-11-is-on-the-way-and-trivia-murder-party-3-teased/

自身の操作がメロディになるアクションゲーム『MeloMisterio -play your melody-』Steamにストアページが公開。ジャンプやダッシュなどのあらゆる行動がメロディになり、即興の音楽として奏でられる
https://news.denfaminicogamer.jp/news/2504082d

The Well's Blessing got a store page

"A narrative-driven first-person exploration and puzzle game in which three animal-like teenagers embark on a journey of self-discovery as they wander the mystical Sanctuary of the Old Well, uncovering its history and meeting other curious visitors"

https://store.steampowered.com/app/3637250

Team Fortress 2 Legacy got a store page

"It is a project that provides some post-2008 Team Fortress 2 features like items and cosmetics on pre-2008 Team Fortress 2 gameplay basis."

https://store.steampowered.com/app/2635440

FREE DUNK got a store page

""FREE DUNK" immerses you in street basketball, celebrating individuality and competition. Build your legend, craft a dream team, and join global streetball leagues. Experience the raw joy of the game with controller support—hit the streets for epic battles!"

https://store.steampowered.com/app/3562050

Cartoon Bash got a store page

"It is a horde survivor game where our dear protagonists who just died must fight to get another chance to get back to life. You equip multiple weapons and items, fighting off waves of enemies and bosses."

https://store.steampowered.com/app/3635930

プログラムを組んで作業を自動化できるサバイバルクラフトゲーム『オメガクラフター』の正式版が5月15日に発売。新バイオーム「ロストワールド」は隕石が降り注ぐ危険地帯。建築は50以上の素材が追加、新モードでは素材が自由に使えるように
https://news.denfaminicogamer.jp/news/250408t

限界まで荷台に荷物を詰め込んでトラックで配達するゲーム『トラックフル』が面白そう。悪路を走るとガタガタ揺れて、時に荷物が落ちてしまうことも。トラックはカスタマイズも可能
https://news.denfaminicogamer.jp/news/250408q

突如現れたインディーゲームの新星『Blue Prince』が海外レビューでメタスコア「92/100」の超高評価を記録。映画スタジオが8年かけて開発したデビュー作。構造が変わる邸宅を相続するため謎解きに挑む内容で、リプレイ性の高さやゲームシステム面が特に高く評価
https://news.denfaminicogamer.jp/news/250408i

禁忌の麻薬密売ゲーム『Schedule I』アプデ内容を一足先に遊べるベータテスト版が配信開始。壁かけ家具や質屋のインターフェースを改善。同時接続者数「45万人」を突破する人気作。オンライン協力プレイも可能
https://news.denfaminicogamer.jp/news/250408g

Midgardr got a store page

"You are a Duke, sent to rule a distant village. Build, protect, and guide your people... but beware: plagues, unrest, and betrayal lie in wait. Choose your Curtes wisely, forge alliances, and face the unknown. Will your village thrive under your rule… or be swallowed by chaos?"

https://store.steampowered.com/app/3645410

MEATHOOK got a store page

"PSX-styled survival horror FPS meets point-and-click adventure game. You are bound to a sinister conveyor mechanism. Reach for weapons and items, navigate labyrinthine tunnels, and blast your path to worthiness!"

https://store.steampowered.com/app/3644930