Get the most out of your Nintendo 64???! Retro-bit's custom Expansion Pack fits right into your N64???'s expansion slot, allowing you to play classics like Donkey Kong??? 64, The Legend of Zelda???: Majora's Mask and the full-version of Perfect Dark???. Plus, a full 4 MB of RAM doubles your console's graphics processing power for all other N64??? games. Don't buy used, choose Retro-bit???!