Call of Duty: Black Ops 6 Zombies is full of Easter eggs, and some of them are stranger than the others, such as the Rat King Easter egg in Citadelle des Morts. This Easter egg can reward players with free perks, ammo mods, essence, salvage, and even a golden crown to wear for the rest of the match (if you know how to solve it).

Citadelle des Morts is the new Zombies map introduced after the release of Season One Reloaded in Call of Duty: Black Ops 6. Set in an ancient gothic castle, it's large, eerie, and full of challenges.

The Mr. Peeks Easter Egg on Black Ops 6's Citadelle Des Morts is a surefire way to acquire a free random Perk. Here’s how to complete it.

Call of Duty: Black Ops 6 Zombies is full of Easter eggs, and some of them are easier than the others, such as the Free Perk Easter egg in Citadelle des Morts.

Citadelle Des Morts, like previous Black Ops 6 Zombies maps, offers several free power-ups to find. Here's a quick guide on their locations.

Before Directed Mode arrives for the new Black Ops 6 Zombies map, use our guide to complete the Citadelle des Morts main quest in full.

A Black Ops 6 Zombies Easter Egg on the new Citadelle des Morts map aims to test the bartending skills of players while fending off undead.

This guide will show players how to get Durendal, the Stag's Lightning Sword Wonder Weapon on Citadelle Des Morts in Black Ops 6 Zombies.

Activision-owned developer Treyarch has previously collaborated with famous artists like Eminem and Avenged Sevenfold for its zombies map Easter egg music, but the new Citadelle des Morts map includes a song from one of the most frequent Call of Duty zombies musical artists: Kevin Sherwood.