multi- + cart
multicart (plural multicarts)
- (video games) A cartridge containing several separate games.
- 2001, "Spud", FS/FT: Vectrex & Multicart! (on Internet newsgroup van.forsale)
- I have a Vectrex in great working shape along with a multicart that contains every game for the Vectrex except a couple of the lightpen games.