devices such as the Deck to be used as conventional PCs.

Version 3.0 is based on Arch Linux, rather than Debian, with some customizations. The OS includes Gamescope, which is a gaming-oriented micro compositor designed to optimize display on the Steam Deck. When the pre-installed Steam client is launched using Gamescope, it constitutes activation of Gaming Mode.

Releases and performance

SteamOS 1.0

In December 2013, Phoronix compared

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