What is a Z64?

A Mr. Backup Z64 is a device to play backups on the Nintendo 64.
It rests on top of the N64 console, where the game cartridge normally plugs in.
With it you can store your favorite N64 games on zipdisks, hdd or even on flashmemory like compact flash cards.
You can also play the games you backed up without the need of the original cartridges.