Nine years after it arrived on PC, Rockstar's multiplayer murder and mayhem sim Grand Theft Auto Online has integrated BattlEye anti-cheat software. Simply put, BattlEye aims to keep people in online games from doing things they're not supposed to.

Grand Theft Auto V was one of the top ten most played games on Valve’s Steam Deck handheld this past week. It’s been in the top twenty for at least two years. But as of today, Valve now lists the game as “unsupported” — because developer Rockstar mysteriously broke compatibility with Valve’s handheld for its online modes.

GTA V has consistently ranked among the top 20 most-played games on the Steam Deck for at least two years, and it even remained in the

Grand Left Steam Deck 5.

Recently, we had the news that Rockstar updated Grand Theft Auto V to include BattlEye anti-cheat, and they have not enabled the Linux / Proton support that BattlEye offers. With that change, the online mode is now broken for Linux / Steam Deck.

An apparent dispute between Rockstar and Valve has left Grand Theft Auto 5 to be listed as unsupported by Steam Deck.

For now, players can still access the single-player mode of GTA V on the Steam Deck. Rockstar Games' FAQ confirms that while Story Mode remains playable, GTA Online will remain inaccessible on the device.

Grand Theft Auto V ( GTA V), a game that has consistently ranked among the top 20 most-played games on Valve's Steam Deck for over two years, is now listed as "unsupported" by Valve. This unexpected change comes after Rockstar Games,

A recent update has resulted in one of the biggest games on Steam now being incompatible with Valve's Steam Deck handheld. For those who own a Steam Deck, it has likely become a familiar process to try to figure out which games work on the platform.