Multi-store detection
Browse installed games from common Windows launchers in one fullscreen library.
Steam Big Picture alternative
A Steam Big Picture Alternative for Windows Handheld and Living-Room PCs
Steam Big Picture works best inside the Steam ecosystem. Ammonis is designed as a broader Windows game shell with installed game detection across multiple stores.
For libraries beyond Steam
Ammonis keeps the fullscreen, couch-friendly feel while helping you launch installed games from Steam, Epic, Xbox, Ubisoft, GOG, and more.
Console-style controls
Move through the shell with a controller, including launch actions and system controls.
Profiles per game
Pair each game with RTSS frame rate behavior and Lossless Scaling profiles.
Frequently asked questions
Can I use Ammonis alongside Steam Big Picture?
Yes. Ammonis runs alongside Steam and does not replace Steam Big Picture. Use whichever fits the moment.
Does Ammonis support non-Steam games?
Yes. Ammonis detects installed games across Steam, Epic, Xbox, Ubisoft, GOG, and other Windows launchers.