Chimera Shell (used by ChimeraOS) transforms any PC into a console-like system. Boots directly into a fullscreen Steam interface with Heroic, Lutris, and emulators integrated for a seamless living room experience.

HoloISO Game Mode recreates SteamOS 3’s console-like interface, running on Gamescope for smooth fullscreen gaming. It integrates Steam by default while allowing users to add Heroic, Lutris, RetroArch, and other launchers.

Plasma Bigscreen is KDE’s free, open-source environment designed specifically for TVs, HTPCs, and set-top boxes. It delivers a couch-friendly interface that’s easy to navigate using TV remote, controller, or smartphone through KDE Connect.

Steam’s original fullscreen interface, designed for couch play with a controller. While now replaced on Steam Deck by Game Mode, it still works on desktop Linux for launching and browsing Steam games.

Valve’s modern console-like interface, powering the Steam Deck. It boots directly into Game Mode, optimized for controllers, quick access, and seamless switching between handheld and docked play.