The Intellivision for GameBoy Color development system and cartridge is up for sale on the Atari Age forums. This is a one-of-a-kind item. Check out the for sale thread to learn how to bid on this.
Intellivision for Gameboy Color (I4GBC) is is an Intellivision emulator
developed between 2000-2001 for the GameBoy Color the plays about 60
different Intellivision games. Although the emulator has been made
freely available, few people have had access to the development hardware
necessa…