One-off promotions for purchasing various Halo-licensed products can be found here.
Dr. Squatch
Dr. Squatch Spartan Scrub
Reward: Smellbringer Armor Coating for Mark VII and Yoroi, Mark V [B], Yoroi, Rakshasa, Eaglestrike, Mirage IIC, Chimera, and HAZMAT
Unlock method: Purchase Dr. Squatch Spartan Scrub from the Dr. Squatch website.
Expires: May 29, 2024
Xbox Gear Shop
Reward: Hannibal Heavies Armor Emblem, Weapon Emblem, Vehicle Emblem, and Nameplate
Unlock method: Purchase the Hannibal Heavies Raglan Shirt or Trucker Hat.
Reward: Korolev Grizzlies Armor Emblem, Weapon Emblem, Vehicle Emblem, and Nameplate
Unlock method: Purchase the Korolev Grizzlies Raglan Shirt or Trucker Hat.
Reward: Lethbridge Gravitics Armor Emblem, Weapon Emblem, Vehicle Emblem, and Nameplate
Unlock method: Purchase the Lethbridge Gravitics Raglan Shirt or Trucker Hat.
Reward: Misriah Maulers Armor Emblem, Weapon Emblem, Vehicle Emblem, and Nameplate
Unlock method: Purchase the Misriah Maulers Raglan Shirt or Trucker Hat.
Reward: Naphtali Omnisports Armor Emblem, Weapon Emblem, Vehicle Emblem, and Nameplate
Unlock method: Purchase the Naphtali Omnisports Raglan Shirt or Trucker Hat.
Wolverine
Wolverine x Halo Boots (Any Style)
Reward: Plasma Lock Backdrop
Unlock method: Purchase any participating pair of boots listed here and sign up for email.