New Borderlands 4 SHiFT Codes: Grab Your Mercenary Day Loot Before They Expire!

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The holiday season on the planet Kairos is reaching its peak, and Gearbox is keeping the momentum going. As part of the “12 Days of Mercenary Day” event, four high-value SHiFT codes have been released over the last 48 hours. These codes provide a mix of Golden Keys for the legendary chests in hub towns and exclusive Mercenary Day cosmetics for your Vault Hunters.

If you are currently pushing through Ultimate Vault Hunter Mode (UVHM) or preparing for the newly released Bloomreaper the Invincible raid boss, these keys are the fastest way to gear up with guaranteed high-tier loot.

1. Active Borderlands 4 SHiFT Codes (December 30, 2025)

The following codes are currently verified as active. Note that the Golden Key codes are on a very short timer and are set to expire tomorrow at the end of the year!

SHiFT Code Reward Expiration Date
396J3-6ZJ9J-KRJTW-TJ3BT-XK5H9 3 Golden Keys Dec 31, 2025
TSXBB-W9JH3-W63JC-TT33B-95JSX 2 Golden Keys Dec 31, 2025
3HX3J-RJWSJ-CFBBC-3BJ3B-RWZ36 “A Winter Borderland” Vault Hunter Skin Dec 31, 2030
J9XTB-SJWS3-WRTTC-BJTJJ-TH6TX “A Winter Borderland” ECHO-4 Drone Skin Dec 31, 2030

Pro-Tip: If you haven’t claimed it yet, the permanent “Credits Code” T9RJB-BFKRR-3RBTW-B33TB-KCZB9 is still active for 1 additional Golden Key.

2. How to Redeem Your Rewards

Gearbox has streamlined the redemption process for Borderlands 4, but rewards no longer appear instantly in your backpack. Follow these steps to ensure you get your loot:

  1. Redeem: Enter the codes via the SHiFT tab in the in-game Social menu or through the Official SHiFT Website.

  2. Check Mail: Open your in-game menu, navigate to the Social tab, and then the Mail sub-tab.

  3. Accept: You must manually “Accept” the keys or skins from the mail for them to be added to your inventory.

  4. Loot: Take your Golden Keys to the Golden Chests located in major hubs like Belton’s Bore, The Launchpad, or Carcadia.

3. Event Spotlight: 12 Days of Mercenary Day

The current codes are part of a larger celebration following the December 11th “Winter Update.” This update introduced the franchise’s first post-launch “Invincible” boss in Borderlands 4, the Bloomreaper.

Many players are using these new Golden Keys to fish for the Rainmaker Ripper Sniper Rifle or specific Maliwan Mantras needed to survive the Bloomreaper’s “Fungal Decay” phase. If you’re finding the new content too difficult, these free legendary drops from the Golden Chest are your best bet for a power spike.

4. What’s Next? Q1 2026 Roadmap

As we close out 2025, the roadmap for early 2026 has already been teased by Gearbox.

  • Bounty Pack 2: Coming in Q1 2026.

  • Return of Pearlescents: The highly coveted cyan-rarity gear is confirmed to return alongside the next level cap increase in February.

  • Cross-Save Support: Full cross-save functionality between console and PC is expected to launch in the mid-January patch.

Conclusion: Don’t Wait!

While the cosmetic skins (Winter Borderland) will remain active for several years, the Golden Key codes are part of the holiday countdown and will expire at midnight on December 31st. Redeem them now to ensure you have a surplus of keys for the upcoming level cap increase!

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