Call of Duty has significantly stepped up its event game this year and after a Dune crossover and Godzilla x Kong collab, there’s now a 4/20 limited-time event with new modes and items to obtain. The Blaze Up event offers free rewards for Modern Warfare 3 and Warzone players with multiple ways to acquire them.

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Call of Duty Blaze Up Event Schedule

The Blaze Up event kicks off in Call of Duty: Modern Warfare 3 and Warzone on Wednesday, April 10 at 10 am PT/1 pm ET. The end time for the event hasn’t been revealed yet, but given the event’s theme, it’ll likely last two weeks and end on Wednesday, April 24 so players can actually enjoy the Blaze Up content on 4/20. Plus, that leaves ample time for the upcoming Cheech and Chong bundles to pop up in the store, too.

Blaze Up Challenges and Rewards

As is the case with most Call of Duty events this year, there are three ways to earn Blaze Up rewards during the event period. Each reward has three challenges associated with it, giving you the option of playing multiplayer, Warzone, or Zombies. You only need to complete one of them to earn the reward.

If you manage to obtain all 11 Blaze Up rewards, then you’ll unlock the free Daymares weapon blueprint as a bonus. It’s an animated sloth-themed version of the WSP Swarm.

Warzone Blaze Up Challenges

ChallengeRewardOpen 20 Loot Caches in a single Resurgence match on Rebirth IslandDouble XP TokenActivate the Boat Horn near the Factory on Rebirth IslandHot Out of the Oven weapon stickerCollect 50 gummies in High Trip ResurgenceWeedson Wheelson skinComplete 5 Spy Drones contractsHigh as Duck weapon charmDuring infil or a redeploy, land in the Gondola using the Parachute on Rebirth IslandSeeing Sound weapon stickerHave all four High Trip Resurgence power-up gummies active at onceUtterly Inspiring emblemHave all four High Trip Resurgence power up gummies active at onceBro, You’re Out of This World calling cardUse Squad Rage on all of your squadmates at onceDouble Weapon XP TokenBuy 4 players back in Resurgence using a buy stationEvery Second and Hour large decalReduce the Resurgence timer for a total of 100 secondsTier SkipIn a single match, trade 2 cards from Biometric Scanners at a Buy StationDouble Battle Pass XP Token

Multiplayer Blaze Up Challenges

ChallengeRewardGet 25 Operator Clean Kills with the Akimbo Attachment EquippedDouble XP TokenGet 10 Operator Quickscope Kills with the Stalker Boots Perk EquippedHot Out of the Oven weapon stickerGet 20 Operator Direct Impact Launcher KillsWeedson Wheelson skinHit 20 Operators with Tear Gas with the Tac Mask Perk EquippedHigh as Duck weapon charmUse the Stim or Battle Rage Tacticals 15 timesSeeing Sound weapon stickerGet 4 Operator Kills within 20 seconds in one life 2 timesUtterly Inspiring emblemGet 10 Operator Stuck Grenade Kills with the Grenadier Vest EquippedBro, You’re Out of This World calling cardGet 20 Operator Kills while in Smoke with the JAK Purifier Attachment EquippedDouble Weapon XP TokenDeploy an Inflatable Decoy Field Upgrade 15 times with the Engineer Vest EquippedEvery Second and Hour large decalGet 25 Operator Kills with a Cooked Frag or Thermobaric GrenadeTier SkipGet 40 Operator Kills with the Dragon’s Breath Attachment Equipped while Sliding or CrouchingDouble Battle Pass XP Token

Zombies Blaze Up Challenges

ChallengeRewardGet 50 Hellhound Kills with ShotgunsDouble XP TokenGet 80 Critical Kills with Snipers, Marksman Rifles, or Battle RiflesHot Out of the Oven weapon stickerGet 50 Brain Rot Zombie KillsWeedson Wheelson skinComplete 4 ContractsHigh as Duck weapon charmDestroy 4 VehiclesSeeing Sound weapon stickerGet 400 Kills with a Wall Buy WeaponUtterly Inspiring emblemDestroy 3 Harvester OrbsBro, You’re Out of This World calling cardGet 200 Kills Shortly After Reloading with Speed Cola ActiveDouble Weapon XP TokenGet 30 Mercenary Critical KillsEvery Second and Hour large decalGet 250 Kills with Stamin-Up ActiveTier SkipKill 3 AbominationsDouble Battle Pass XP Token

That’s it for the Blaze Up event in Call of Duty: Modern Warfare 3 and Warzone! Make sure to claim as many free rewards as you can since they won’t be available any longer after the event period comes to a close. There are a few 4/20 friendly skins in the store, but this is your only chance to snag some free weapon blueprints and other cosmetics instead of paying for expensive bundles.