Universal Tower Defense Tier List: Best Units After the Ragnarok Update

The Ragnarok Update has arrived, and it has completely reshaped the battlefield in Universal Tower Defense. If you want to clear the hardest waves in April 2026, you need to know which units are still S-Tier and which ones have become obsolete.

What’s inside our April Tier List:

• S-Tier Dominance: The must-have units for the current meta.

• The Ragnarok Effect: A breakdown of how the latest buffs and nerfs landed.

• Strategic Investment: Which units offer the best value for mid-to-late game progression.

Don't waste your resources on C-Tier units—get the facts before your next match.

[Read the Full UTD Tier List & Best Units Guide Here]