Going back to the SNES days and looking at its rarest ... the cartridges here were given away as prizes complete in-box.

The guts inside that little box are, effectively, a fully functioning, HD-capable SNES. Cartridge slot -- with support for SNES and Super Famicom cartridges -- and all. Analogue didn't rebuild ...

After desoldering a cartridge connector from an original SNES, [waterbury] plugged it in to a piece of perf board and started to figure out how to actually read the cartridge. An SNES cartridge ...

It typically came in the form of a grey box ... during the SNES’s heyday in the early 1990s. One of these was the Sharp SF1: a CRT television with a built-in Super Nintendo. The cartridge ...