I did hours of testing with the native installed KGB Game
If the game works is still random
What the...
I did made myself a MapRom Skript that reboots if i double klick the KGB icon.
It reboots, loads the game and after exiting the game, another automatic boot and back to my Workbench
The game loads super fast and has no more of those long "busy clocks" waiting sequences
Soul Crystal and KGB are the only games i use this methode