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Steam News28 May 20261mo ago

v3.1.2: Verified on Steam Deck!

Hello Tokyoites! A happy end to the Steam Deck saga, as Valve have passed Mysteries of Old Tokyo as Verified on Steam Deck.

Full notes

Full Mysteries of Old Tokyo update

Read the full published notes in a cleaner layout. The original post stays linked below.

Repeated intro

Hello Tokyoites! A happy end to the Steam Deck saga, as Valve have passed Mysteries of Old Tokyo as Verified on Steam Deck. The game should now launch the Linux build automatically when you run on Steam Deck, ensuring the best experience all round.

What changed

0 fixes0 additions3 changes0 removals
  • Compatibility
  • UI and audio
  • Gameplay
changedHello Tokyoites! A happy end to the Steam Deck saga, as Valve have passed Mysteries of Old Tokyo as Verified on Steam Deck. The game should now launch the Linux build automatically when you run on Steam Deck, ensuring the best experience all round.
changedv3.1.2 notesThe game now detects if it's running on Steam Deck and disables the fullscreen toggle. Although this toggle didn't actually do anything on Steam Deck (since there's no "windowed" mode on the Steam Deck), turning it on caused a few interface issues on Steam Deck OLED, so disabling it fixes these issues.
changedv3.1.2 notesIncreased the size of the "Now Playing" text to be easier to read on Steam Deck.

Mysteries of Old Tokyo changes

changedHello Tokyoites! A happy end to the Steam Deck saga, as Valve have passed Mysteries of Old Tokyo as Verified on Steam Deck. The game should now launch the Linux build automatically when you run on Steam Deck, ensuring the best experience all round.
changedThe game now detects if it's running on Steam Deck and disables the fullscreen toggle. Although this toggle didn't actually do anything on Steam Deck (since there's no "windowed" mode on the Steam Deck), turning it on caused a few interface issues on Steam Deck OLED, so disabling it fixes these issues.
changedIncreased the size of the "Now Playing" text to be easier to read on Steam Deck.

View on Steam

With this news comes a small update to v3.1.2.

v3.1.2 notes

  • The game now detects if it's running on Steam Deck and disables the fullscreen toggle. Although this toggle didn't actually do anything on Steam Deck (since there's no "windowed" mode on the Steam Deck), turning it on caused a few interface issues on Steam Deck OLED, so disabling it fixes these issues.

  • Increased the size of the "Now Playing" text to be easier to read on Steam Deck.

Source

Steam News / 28 May 2026

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