Based on a massive Steam database leak, an unannounced Brawl Stars spinoff game might be heading to PC.

Earlier today, a major backend mishap from Steam has revealed the achievements data for many upcoming and unannounced games.

Besides Persona 6, Kingdom Hearts 4, and Dragon Ball Xenoverse 3, the Steam leak showcased achievements related to Brawl Stars, specifically for Fang, Buster, and Maisie.

There are skin collecting, defeating enemies, high combo milestones, and no-damage stage clears, and other achievements included in the leak.

Instead of a standard live-service multiplayer title, the setup points to a story-focused or stage-based game.

It seems the project was first seen on SteamDB back in July 2023, though Supercell has not officially confirmed the title yet.

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A Brawl Stars Spinoff Game is in the Cards for PC?

Back in 2025, at the LCQ, Dani was asked if the TURBO THEATER (Fang, Buster, and Maisie) would get their own setting. Dani mentioned that the Brawl universe might get a surprise next year.

Whether he was referring to this spin-off or not is uncertain. There hasn’t been any cancelled project news from Supercell recently either.

With just four months left in the year, all eyes will be on Supercell now. While there aren’t many details about the unannounced Brawl Stars spinoff game, based on the achievements leak, it is clear that the characters from the Brawl Stars universe will feature different in-game skins.

Similar to the concept of a 2D/3D side-scroller, players need to clear different stages. They can also take part in mini-games to collect coins and purchase in-game items.

However, all of these are yet to be confirmed by Supercell. With just four months left to the year and this massive leak in hand, time is ticking for them.