Master Every Unit in Universal Tower Defense

The most comprehensive Universal Tower Defense wiki. Get active codes, interactive tools, tier lists, and in-depth guides.

🆕 NEW UPDATE

Update 0.5: Hollowed Eclipse is LIVE!

6 new Bleach units, Raids, Boss Rush & more!

45+

Total Units

10+

Active Codes

3

S+ Tier Units

10+

Complete Guides

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Active Codes (January 2026)

View All Codes
Code Reward Status Action
WinterIsComing! 250 Spirit Souls, 3,000 Gems, 15 Rerolls Active Copy
NewYear26! 50 Trait Rerolls, 30 Stat Rerolls, 15 Locks Active Copy
WinterPolls 50 Trait Rerolls, 20 Stat Locks, 50 Stat Rerolls Active Copy
Update 0.5 25 Trait Rerolls, 5,000 Gems Active Copy

🔥 Top Tier Units (S+)

Kriatu
S+

Kriatu

Mythic

Devastating area damage with slash attacks. Perfect for wave clearing and boss fights.

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Virtual Idol
S

Virtual Idol

Mythic

Powerful AOE attacks with crowd control abilities. Excels in late-game content.

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Spade
S+

Spade

Mythic

High single-target DPS with critical strike potential. Essential for boss encounters.

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