Skull Up Codes (February 2026)

Update: We last updated this article with new Skull Up Codes on February 13th, 2026.

Skull Up is an engaging mobile RPG where you build an undead army by defeating enemies and converting them into skeletal soldiers fighting at your side. The game combines base-building elements with roguelike progression as you strengthen your Skull army to dominate the world. Utilize the Necromancy Crypt’s RNG system by spending Summon Cards to receive random Skellies that bolster your ranks, with varying rarities and abilities. Upgrade your skeletal warriors using Souls, expand your base with Gold, and make strategic purchases with Diamonds. Let’s explore the current Skull Up codes that provide free Diamonds, Summon Cards, Souls, and other valuable rewards to help build your skeletal empire.

Working Skull Up Codes

• valentine214 – Redeem this code for 214 Diamonds and 10 Wishing Stars (expires February 15, 2026)
• SKULLDC1000 – Redeem this code for 500 Diamonds, 5 Adv Summon Cards, 2-Hour AFK Gold, and 2-Hour AFK Soul (expires January 1, 2027)
• UPDC2000 – Redeem this code for 500 Diamonds, 4-Hour AFK Gold, 10 Adv Summon Cards, and 4-Hour AFK Soul (expires January 1, 2027)
• WELCOME3000 – Redeem this code for 1,000 Diamonds, 2 Faction Summon Cards, and 10 Adv Summon Cards (expires January 1, 2027)
• BUGFIX25 – Redeem this code for 1,000 Diamonds, 8-Hour AFK Soul, 8-Hour AFK Gold, and 10 Adv Summon Cards
• SKULLUP2026 – Redeem this code for 100 Diamonds, 2-Hour AFK Soul, and 2-Hour AFK Gold
• WELCOMEGIFT – Redeem this code for 200 Diamonds, 10,000 Gold, 10,000 Soul, and 50 Skulls
• UPTHESKULL – Redeem this code for 1 Advanced Wraith Pact and 2 Adv Summon Cards
• SUPER777 – Redeem this code for 2 Adv Summon Cards and 30 4-Star Skelly Fragments
• SKULL777 – Redeem this code for 10 Normal Summon Cards, 1-Hour AFK Soul, and 1-Hour AFK Gold
• SKULL888 – Redeem this code for 5 Arena Challenge Tickets and 10 Normal Wraith Pacts
• SKULL999 – Redeem this code for 200 Diamonds and 2 Adv Summon Cards
• LD999 – Redeem this code for 10,000 Gold, 10,000 Soul, 50 Skulls, and 10 Commission Reset Tickets
• NOX999 – Redeem this code for 100 Diamonds and 5 Sunny Dice
• BLUE999 – Redeem this code for 2 Advanced Wraith Pacts, 2 Adv Summon Cards, and 10 Normal Summon Cards

These codes provide generous rewards including Diamonds for purchases, Summon Cards for RNG pulls in the Necromancy Crypt, Souls for leveling up Skellies, and AFK boosters for passive resource generation.

Expired Codes

The following code has expired and can no longer be redeemed:

• HAPPYSKULL (expired February 10, 2026)

How to Redeem Skull Up Codes

Follow these simple steps to redeem your codes for Skull Up (note: you must complete the tutorial first):

1. Launch Skull Up on your mobile device (iOS or Android).
2. Tap your profile icon in the top-left corner to open the Profile menu.
3. Select the Redeem Code option at the bottom of the screen.
4. Enter your code in the “Enter a redeem code” text box.
5. Press Claim to receive your rewards instantly.

Remember that codes are case-sensitive and may have expiration dates. Copy and paste codes directly to avoid typing errors, and redeem time-limited codes quickly.

How to Find More Codes

We update this guide regularly with the latest Skull Up codes, so bookmark this page and check back frequently for new releases. Some codes have short expiration windows, so redeem all codes as soon as possible.

• Join the Skull Up Discord server
• Check back here regularly as we monitor for new codes and update the list faster than most sources.

Use your Diamonds strategically for important purchases, spend Summon Cards when you need to strengthen specific parts of your army composition, and activate AFK boosters during extended play sessions to maximize passive resource gains. Prioritize leveling up your strongest Skellies with Souls for the best return on investment.