This is map/datapack allows you to play Call of Duty on Nuketown, Hijacked, and ANY other map in vanilla Minecraft with 50+ guns/equipment, 12 gamemodes, 11 killstreaks, and more!

A comprehensive overview of the game mechanics is provided in the YouTube explanation video.

How to play on Nuketown or Hijacked

1. Place the world folder ("Nuketown" or "Hijacked") into your saves folder (.minecraft -> saves)
2. Place the resource pack folder (labeled "Call of Duty Resource Pack") into your resource pack folder (.minecraft -> resourcepacks)
3. Enter the Minecraft world and equip the resource pack
4. Type the "/reload" command into chat
5. Select gamemode, teams, classes, and game options at each module
6. Start playing!

How to play on Any Minecraft World/Map

See datapack page: Call of Duty on Any Map (50+ Guns/Equipment, 12 Gamemodes, 11 Killstreaks) Minecraft Data Pack (planetminecraft.com)

The only map limitation is that your world cannot have stronghold structures. If it does, then you can use structure blocks to move your map to a new world without generated structures. Tutorials for how to do this can be found online.

Acknowledgements
Cloud Wolf YouTube tutorials were a big help/inspiration in making this datapack
David_Mason Nuketown map landscaping
EveryLemming Hijacked map landscaping