Updated on April 28, 2026 : Added all units from Update 2.5. The best units in Universal Tower Defense X depend on five categories which are Hybrid, Hill, Ground, Support and Farm. I’ll show you the best ones for all roles as well as talk about the best game modes , traits and relics for all units. Here’s my Universal Tower Defense X tier list and guide . Table of contents Universal Tower Defense X Unit Tier List Synchro Units – Best DPS S-Tier Air/Hybrid A-Tier Air/Hybrid B-Tier Air/Hybrid C-Tier Air/Hybrid S-Tier Ground A-Tier Ground B-Tier Ground C-Tier Ground S-Tier Support A-Tier Support B-Tier Support Farm Universal Tower Defense X FAQ Universal Tower Defense X Unit Tier List Image by Destructoid This is just a preview of the Universal Tower Defense X tier list but the real ranking reasons are below. I’ll go into each individual unit and talk about why it’s ranked where it is, as well as the best game modes for it and specific traits.…