Here’s everything you need to know about the new CODMAS event in MW3 and Warzone, including all rewards and how long you’ve got to earn them.

It’s a very Call of Duty Christmas, and Activision has whipped up a special holiday event for its favorite FPS title.

Both MW3 and Warzone players will be able to take part in CODMAS, so it’s worth a look no matter your game of choice!


The Warzone & MW3 CODMAS event kicked off on December 19 at 10 AM PT and will come to an end on January 3, 2024 at 8 AM PT / 11 AM ET / 4 PM GMT.

There are until CODMAS comes to an end and the opportunity to earn rewards is gone.

Warzone Snowball Christmas Tree

However, don’t worry if you’re unable to play over the festive period! After all, the insane-looking Vortex event kicks off immediately after CODMAS!

Santa’s Slayground Explained

Santa’s Slayground is an event that is now live in MW3 and Warzone, allowing players to earn a variety of in-game rewards.

For every challenge completed, players will unlock a Christmas-themed gift – and they can choose how they’d like to play!

Santa's Slayground Event in MW3 and Warzone

Every challenge can be completed in either MW3 Multiplayer, Zombies, or Warzone game modes.

All Rewards

Underbaker (Sticker)Get 40 Operator Melee Kills with Stalker Boots EquippedGet 5 Special Zombie Kills with Melee WeaponsGet 10 Operator Kills with Marksman Rifles
Double Weapon XP Token (45 Mins)Get 40 Operator Kills with a Weapon Picked Up from an Enemy PlayerGet 400 Kills with a Wall Buy WeaponIn Slay Ride Resurgence, Get 15 Operator Kills with Assault Rifles
Tier SkipGet 100 Operator Kills with the DG-58 LSWGet 400 Kills with a Pack-a-Punched DG-58 LSWIn Slay Ride Resurgence, Get 15 Operator Kills with SMGs
Mistle Toe (Charm)Get 6 Operator Snowball Kills in Snowball GunfightGet 25 Kills with SnowballsGet 15 Operator Kills with Snowballs
Deadly Knit (Calling Card)Get 40 Operator Headshot Kills with a Sniper, DMR, or Battle RiflesGet 200 Critical Kills with Snipers, Marksman Rifles, or Battle RiflesIn Slay Ride Resurgence, Get 15 Operator Kills with Sniper Rifles
Lil’ Krampus (Emblem)Get 30 Operator Kills while Playing Infected HolidayComplete 8 ContractsGet 15 Operator Kills with Snowballs at over 25m
Santa’s Right Hand (Finishing Move)Get 5 Operator Kills while Sliding or CrouchingGet 50 Kills with Stamin-Up ActiveIn Slay Ride Resurgence, Place in the Top 5 15 Times

Completing a challenge for each reward will unlock one final bonus reward: the Ugliest Sweater Weapon Blueprint.

Ugliest Sweater Weapon Blueprint in Call of Duty

This will likely be the only opportunity to get your hands on the unique Blueprint, so don’t miss out!

New Maps

Two fan-favorite maps are getting a Winter-themed overhaul for the holiday season:


Once again, Shipment is getting a holiday variant, Shipmas, perfect for some Christmas grinding. Thankfully, it’s notably less ugly than Vanguard’s take on a holiday-themed Shipment.

Shipmas Map in MW3


Highrise is ready to bring in the new year with its holiday decorations and nighttime setting. Even the offices have had a makeover, as employees celebrate the festive season.

Hangover Map in MW3 Multiplayer

New Modes

For those looking for a change of pace, there are two new limited-time modes introduced in the CODMAS event:

Infectious Holiday

A take on Infected where zombies resemble Santa Claus, players will fight to be the last uninfected player left standing.

Infectious Holiday in MW3 Multiplayer


An epic snowball battle with Gunfight rules, players can gather snowballs from around the map and battle it out in snow warfare. Grab the Golden Snowball from the center of the map for a one-hit kill!

Snowfight Mode in MW3 Multiplayer

Slay Ride Resurgence Explained

Warzone players have a chance to get festive too, thanks to the new Slay Ride Resurgence playlist.

This new Christmas-themed mode brings Santa to the Urzikstan train, allowing players to take on the AI boss to earn powerful in-game loot and an exclusive Emblem.

Santa on the Urzikstan Train

What’s more, players can decorate Christmas trees in-game to get high-quality loot.

Six Deck the Halls capture points are now live around the Warzone map, and capturing the area will not only decorate the tree – it’ll lead to better loot drops!

Stand near the tree to begin decorating it. Get all the way to Tier 3 and you’ll earn the best possible weapons, powerful Killstreaks, and huge cash bundles.

Christmas Tree Warzone CODMAS

In addition, Activision teases that there are other CODMAS secrets in Urzikstan to look out for!

What About Zombies?

MWZ (AKA MW3 Zombies) isn’t missing out on all the fun. Although Zombie Santa isn’t coming to the mode for some reason, other festive changes are already in-game.

CODMAS in Modern Warfare Zombies

Many enemies are getting a new holiday-themed variant, including Reindeer Hellhounds, and a Santa-hat-wearing Mega Abomination.

In addition, there’s new CODMAS-themed infil music, and snowballs capable of dealing massive damage to bosses are scattered around the map.

Managing Editor
Max has a wealth of experience in the industry and is a lover of all things video games, situated in Manchester, United Kingdom.
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