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 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.

Fans are frustrated with the rating change following the addition of BattlEye anti-cheat, which is incompatible with the Linux-based SteamOS.

Nine years after its initial release, Rockstar has added the third-party anti-cheat software BattlEye to the PC version of GTA V, and it's been a long time coming. The addition of a PC anti-cheat was added as part of a larger title update to celebrate the game's eleven-year anniversary and remind us that the passage of time is inevitable.

Thanks to a recent update, Grand Theft Auto 5 and Grand Theft Auto Online can't be played on the Steam Deck.The Latest Tech News, Delivered to Your Inbox

The addition of BattlEye anti-cheat to GTA has made the game incompatible with the Steam Deck. Steam Deck players can no longer access the GTA Online portion of the game. Rockstar is blaming Valve, despite other BattlEye games being compatible with the platform.

You may have noticed that Grand Theft Auto V is no longer verified on Steam Deck. That's seemingly because of the BattlEye new anti-cheat software for GTA Online, which rolled out earlier this week. As Rockstar explains in its official FAQ,