So the "old version" wasn't a feature—it was a speed hack. Gamers clung to MAME 32 (the Windows-friendly GUI fork of MAME) versions 0.37b or 0.53 because they could play Ridge Racer at 15 fps instead of 3 fps. The "exclusive" games were simply the ones that broke in later updates.
: Save and load your game progress at any point—a feature not available on original arcade hardware. mame 32 games exclusive download for pc old version
, where newer releases often fail to launch or suffer from major graphical lag. Speed Over Accuracy So the "old version" wasn't a feature—it was a speed hack