Drauger OS - Drauger OS is an Ubuntu-based Linux desktop gaming distribution that ships with many modifications and optimizations over stock Ubuntu that are intended to improve gaming performance and the gaming experience.
Salient OS - Download Salient OS for free.
Lakka - Lakka is the official Linux distribution of RetroArch and the libretro ecosystem.
Garuda Linux - Garuda Linux is an appealing Arch Linux based Distro with BTRFS (modern filesystem), Linux-zen kernel, auto snapshots, gaming edition and a lot more bleeding edge features..
ChimeraOS - Steam, Epic, GOG, retro consoles, and more... all from your couch
Redcore Linux - Redcore Linux is a Linux distribution based on the Arch Linux operating system.