Playable (40.45%): Games that can be properly played from start to finish

Ingame (46.08%): Games that either can't be finished, have serious glitches or have insufficient performance

Intro (12.45%): Games that display image but don't make it past the menus

Loadable (0.95%): Games that display a black screen with a framerate on the window's title

Nothing (0.07%): Games that don't initialize properly, not loading at all and/or crashing the emulator

４０％
自分のパソコン性能環境だと３０％くらいかな