
Valve Launches SteamOS Compatibility System: Is Your Game Ready for Non-Steam Decks?
Valve is expanding its ecosystem beyond the Steam Deck with a new SteamOS Compatibility system. This move aims to provide clear guidance for gamers on which titles run smoothly on other SteamOS-powered devices, such as the upcoming Lenovo Legion Go S SteamOS.
The Legion Go S SteamOS is setting the stage as the first non-Valve device to officially launch with SteamOS. This event has prompted Valve to implement a system that mirrors the Steam Deck Verified program, but specifically tailored to SteamOS hardware.

The SteamOS Compatibility rating focuses on core game functionality, launcher operation, and anti-cheat support. A "SteamOS Compatible" badge signifies that a game and its middleware are fully supported, offering users confidence in their gaming experience. Conversely, a "SteamOS Unsupported" mark indicates potential issues. Valve expects to label more than 18,000 titles as SteamOS compatible right from the beginning.
"Our testing indicates that Portal 2 is Compatible with devices running SteamOS, based on Steam Deck compatibility results. Your experience in terms of performance and input may vary depending on your hardware," Valve shared in an example, emphasizing that the compatibility rating doesn't cover performance testing across all potential hardware configurations.
Gamers should note that while Valve is embracing handheld gaming that SteamOS Compatibility does not test for performance, which will vary between different devices using SteamOS, meaning users will still need to compare a game's requirements to the device's specs.

With the Lenovo Legion Go S SteamOS priced higher than the Steam Deck OLED, due to factors like tariffs and enhanced specs, the SteamOS Compatibility system becomes even more crucial. It ensures that users investing in alternative handhelds can quickly ascertain which games will provide a seamless experience.
Valve plans to roll out updates to the Steam UI and Steam Store over the next few weeks to showcase the new SteamOS Compatibility information. This automated system leverage existing Steam Deck compatibility data, ensuring no extra effort required by developers.
The launch of SteamOS Compatibility marks a significant step in expanding the Steam ecosystem. As more devices adopt SteamOS, this rating system will play a key role in guiding gamers towards compatible titles, fostering a more inclusive and reliable gaming experience.
What are your thoughts on SteamOS expanding beyond the Steam Deck? Will this new compatibility system influence your purchasing decisions? Share your perspective in the comments below!