Target Platforms

A handheld gaming PC from Valve running SteamOS, built on Arch Linux with source available for the OS and many of its components; runs most of a developer's existing Steam catalog through the Proton compatibility layer.

Sony's console line, running a closed-source internal OS (Orbis/Prospero) with fixed, high-end specs and strong first-party exclusives.

Microsoft's console line, running a closed-source Windows-derived OS and tightly integrated with the Xbox Game Pass subscription service.

A hybrid handheld/console platform running a closed-source internal OS (Horizon OS), with modest hardware specs relative to competitors and a family-friendly library.

A fully open-source kernel and family of operating systems running on everything from lightweight laptops to high-end workstations; officially supported by Steam and Proton.

A mobile OS built on the open-source Android Open Source Project (AOSP) and stewarded by Google, with the largest install base worldwide and wide variance in device power.

The dominant PC gaming OS, closed-source and built around DirectX, spanning the widest hardware range from entry-level machines to extreme high-end gaming rigs.

A closed-source OS restricted to Apple's own hardware, running the Metal graphics API on Apple Silicon, with a narrower hardware range than Windows.

A closed-source OS for Apple's phones and tablets, more uniform in hardware than Android and running the same Metal graphics API.