The Nintendo Coin is a one-of-a-kind item in Donkey Kong 64. It is a silver coin with the Nintendo 64 logo on it. The player will need both this and the Rareware Coin to open the gate to the last Boss Key in Hideout Helm. To earn it, the player must clear the Donkey Kong Arcade game. This coin symbolizes one of the companies who made Donkey Kong 64, Nintendo.