Universal Tower Defense Wiki — Codes, Tier List & Units Database

Fast answers for Universal Tower Defense (UTD) players: working codes, current meta, searchable units, patch notes, trading values, and trait guides.

Last site update: 2025-12-15|Links verified: Discord Trello

Start Here

Most searched pages

Internal links intentionally dense for SEO; these pages answer the highest-intent Universal Tower Defense searches.

Official

Verified links

Avoid scams and outdated invites: use the verified Discord and Trello pages.

Freshness

Recent updates

Feeds internal linking and freshness signals.

  • 2025-12-15·Codes:Added NEWCODE, moved OLDCODE → Expired
    /codes
  • 2025-12-15·Tier List:Meta update for Infinite mode
    /tier-list
  • 2025-12-15·Patch Notes:vX.XX summary (buffs/nerfs/new units)
    /patch-notes
  • 2025-12-14·Units:Added 6 unit pages + updated 3 stats
    /units

Database

Units quick look

A teaser to make /units feel like a database, not an article.

Role ▼Rarity ▼Cost ▼Tags: anti-air / slow / farm(link → /units)

Popular unit pages (examples)

Guides

Guides hub

Structured internal linking for fast navigation.

FAQ

Mini FAQ

FAQPage schema is included on this page.

How to redeem Universal Tower Defense codes?
Use the in-game codes menu to redeem active codes. See the up-to-date list and steps on the Codes page. /codes
What are the best units in Universal Tower Defense right now?
The answer depends on the mode and your roster. Start with the Tier List page for the current meta. /tier-list
Where is the official Universal Tower Defense Discord link?
Use the verified link on the Discord page to avoid scams or outdated invites. /discord
How to get a unit and check its stats / evolution?
Browse the Units database, then open a unit page for stats, evolutions, and acquisition notes. /units
What changed in the latest update / patch notes?
Read summaries by version and date on the Patch Notes page. /patch-notes