When you want to write software for a system like the Commodore 64, the obvious and safe choice ... if you crave that instant-on experience that cartridges offer – courtesy of them being plugged ...

A completely different take on a Commodore 64 comes from [UNI64] in the form of the Handheld 64, a complete Commodore 64 in a Game Boy style ... and the ROM cartridge port to an edge connector ...

These are intended to help inspire game design concepts ... Even other Commodore 64 mods, like the Raspberry Pi C64 expansion cartridge playing Doom, may be more practical for end users than ...