Supported systems

The core starts, and some games may reach menus or display graphics, but gameplay is not yet functional.

Many games start and can be played, but crashes, graphical or audio issues, or poor performance may occur.

Many games reach gameplay with adequate performance. Occasional crashes or minor issues may occur.

The vast majority of games work correctly, with good performance and few known issues.

The core is mature and extensively tested. Compatibility, performance, audio, graphics and stability meet the expected standard.