While preparations were being made to release the 20th Anniversary CD Box, it was discovered that one of the PCM ROM chips on the sound board was corrupted, and was shipped this way throughout the game's entire production run.
Contributed by retrolinkx
The song "Splash Wave" is actually glitched in the retail version of Outrun. Near the end of the track the melody and other parts of song begin to go out of sync.
Contributed by retrolinkx