What is the code to redeem to get black ops 2 nuketown zombies?

To redeem the code for the Nuketown Zombies map in Call of Duty: Black Ops 2, players typically needed to enter a specific code provided with certain editions of the game, like the Hardened or Prestige editions. However, as of now, the specific redemption process may vary based on platform or updates. It's best to check the official Activision website or your game platform's store for the most current information on redeeming codes.