New Steam Games Playable on the Steam Deck, with Mon Bazou - 2025-12-20 Edition

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Between 2025-12-13 and 2025-12-20 we selected 4 newly released games that are rated as Verified or Playable on the Steam Deck, and meeting specific criteria in terms of user ratings. The highlight of this past week is certainly Mon Bazou, making you start poor and with an old car and challenging you to grind until you make it and end up getting much nicer things to put in your garage.

Mon Bazou

Here’s the short list below.

MON BAZOU

Released on 18 Dec, 2025, developed by Santa Goat, self-published. [Steam Store Page]

Genre: Adventure, Casual, Indie, Racing, Simulation

Steam Deck Rating: Verified

User Reviews: 97.5 % Positive (out of 9778 total reviews)

About the game: Build your crappy vehicle into a race car, install the parts yourself. Make money by cutting wood, racing at night or delivering pizza. Maybe you want to manage a sugar shack or build yourself a big garage?

A GAME ABOUT FEEDING A BLACK HOLE

Released on Dec 15, 2025, developed by Aarimous, , self-published. [Steam Store Page]

Genre: Casual, Indie

Steam Deck Rating: Playable

User Reviews: 89.1 % Positive (out of 548 total reviews)

About the game: A short incremental game about feeding a Black Hole matter by destroying Asteroids, Planets, and Stars.

SWORDHAVEN: IRON CONSPIRACY

Released on 16 Dec, 2025, developed by AtomTeam, self-published. [Steam Store Page]

Genre: RPG

Steam Deck Rating: Playable

User Reviews: 84.3 % Positive (out of 127 total reviews)

About the game: Swordhaven is a classic party-based RPG. Explore the land of Nova Drakonia, embark on quests unique to your character, discover mysterious artefacts of the ancients, and unravel a hidden conspiracy that threatens the very existence of the world.

HEART OF CROWN ONLINE

Released on 18 Dec, 2025, developed by illuCalab, and published by PLAYISM. [Steam Store Page]

Genre: Indie, Strategy

Steam Deck Rating: Playable

User Reviews: 87.9 % Positive (out of 33 total reviews)

About the game: The great emperor’s untimely death… Seven princesses are candidates for his succession! Who will save the empire from chaos? An online deck-growing card game where you grow your deck and fight for the Princess.

More Steam Games for the Deck From the Past Weeks

You can also check our previous entries in the series for the New Steam Games released with Playable rating for the Steam Deck. We have them every week: