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.
Start Here
Most searched pages
Internal links intentionally dense for SEO; these pages answer the highest-intent Universal Tower Defense searches.
/codes
→Universal Tower Defense codes — Active / Expired + redeem steps.
/tier-list
→Universal Tower Defense tier list — Meta tier list (by mode).
/units
→Universal Tower Defense units DB — Search / filter by role, rarity, tags.
/patch-notes
→Universal Tower Defense patch notes / update log — Buffs / nerfs / new units; search by version.
/trading-values
→Universal Tower Defense trading values — Value list + anti-scam tips.
/value-calculator
→Trade fairness calculator — Quick compare and sanity check.
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Avoid scams and outdated invites: use the verified Discord and Trello pages.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.
Popular unit pages (examples)
- /units/unit-a how to get "Unit A" · best trait for "Unit A"
- /units/unit-b "Unit B" stats · "Unit B" evolution
- /units/unit-c "Unit C" build for infinite mode
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- Use the verified link on the Discord page to avoid scams or outdated invites.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