The original E3 1996 ROM (dumped years ago) had serious issues on emulators:
It’s a better game than the final release – the retail version is superior in every gameplay sense. But as a time capsule, it’s fascinating. super mario 64 e3 1996 rom updated
is a ROM hack inspired by the B3313 project, mixing E3 themes with "analogue horror" or dream-like areas. The original E3 1996 ROM (dumped years ago)
Nintendo does not distribute this ROM. You need: super mario 64 e3 1996 rom updated
: Mario's jumping sounds were not yet finalized in the earliest E3 builds, though they were mostly implemented by the time the show started.
: Some mods specifically focus on even earlier "Kiosk" versions, which featured older HUD icons for Mario and coins that differed from the retail release. Paper Mario Connections