The game supports many Game Boy accessories . These include the Game Link Cable , which is required for the multiplayer mode , the Game Boy Printer , which can be used to print out character profiles , and the Transfer Pak , which allows players to alternatively unlock cheat modes in the Nintendo 64 game . It is also possible to transfer game data from one Game Boy Color machine to another using their infrared port . Originally , the game was intended to allow players to place a photograph of their choice onto the face of their in-game Nintendo 64 character 's face . The image would be taken by the Game Boy Camera and then transferred to the Nintendo 64 game via the Transfer Pak . The feature was ultimately removed due to " sensitive issues " surrounding the ability to attack images of real people . Rare 's decision came after the 1999 Columbine High School massacre
Columbine High School massacre
Columbine High School massacre
Perfect Dark (Game Boy Color)