While the original arcade version was on Laserdisc, which was the style at the time, the Sega CD edition of Time Gal is obviously on CD, and has some additional content within it, too, that you ...

Don't buy this expecting CD seek times to be obliterated; depending on the game in question, you may face a default pause-to-load no matter what, owing to how the original games were coded.

Sega PAC - The Sega PAC was an add-on for the Pioneer LaserActive Laserdisc player, which literally bolted onto the media unit and allowed it to play both Genesis and Sega-CD games. Costing $600 ...

Less talked about are rare experiments like Sega's GP World, a 1984 arcade game that mixed media in a way that was a bit more common in the '80s, though one not typically reserved for racing titles.