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DeckStream Wiki

DeckStream is a self-hosted storage and launch system for playing PC games you already own on a Steam Deck. The phone companion queues a game from your library. The Deck mounts that game's folder over WebDAV, caches requested data locally, and launches it through umu and Proton. A compatible game folder can start without a full local copy. Project README

Project homepage · Active delivery plan

Goal	Page
Try the companion locally or set up your server and Deck	Getting Started
Follow a launch from the phone to game execution	Architecture
Read the measurements and their limits	Evidence and Limits
Run checks and collect a useful launch report	Testing and Reproduction
Submit documentation, fixes, or measurements	Contributing
See what still needs evidence	Roadmap
Understand credentials, source, and content boundaries	Provenance and Licensing
Troubleshoot setup, startup, and compatibility questions	FAQ

Implementation references are pinned to the reviewed source revision. The v1.0.0 release predates the current own-storage changes.