Steam Deck

Does Postmouse work on Steam Deck?

Steam Deck

Unsupported

Valve has tested this game and it does not work properly on Steam Deck.

Status as checked with Valve on 10 November 2026.

Join Postmouse on their very first journey to deliver mail in a treacherous world unfit for a tiny mouse.

System requirements

Does Postmouse work on Steam Deck?: Unsupported. Valve has tested this game and it does not work properly on Steam Deck.

Postmouse

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