Dose zombie cost on call of duty black ops 3?

In Call of Duty: Black Ops 3, the Zombies mode is included as part of the game, so there is no separate cost to access it if you own the game. However, additional content such as map packs or DLCs may require a purchase. The game was initially released in 2015, and any subsequent content might still be available for purchase through various platforms. Always check the specific platform store for the most accurate and current pricing.