Bazzite
Bazzite is an immutable Linux distribution based on Fedora and designed with gaming in mind. It can run on desktop computers, the Steam Deck, and other handheld gaming devices.
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Linux Kodachi
Linux Kodachi is a Debian-based distribution which can be run from a DVD or USB thumb drive. The distribution filters all network traffic through a VPN and the Tor network, obscuring the user's network location.