This is an independent, unofficial fan-created user guide book for educational purposes only. It is not affiliated with, endorsed by, or sponsored by Roblox Corporation, Unrivaled Inc., or the developers of Universal Tower Defense. All trademarks, character names, and game elements are the property of their respective owners. Game mechanics, codes, and meta are subject to change with updates.Tired of getting overwhelmed by endless waves in Universal Tower Defense? Struggling to unlock powerful anime heroes like Sung Jin-Woo, Berserker, or Lulu while everyone else climbs the leaderboards? This explosive Roblox hit-boasting millions of visits and thousands of concurrent players-demands smart strategies to crush Infinite Mode and conquer the meta.This comprehensive user guide book is packed with everything you need to transform from beginner to pro: Step-by-step beginner essentials → Getting started, controls, and first Gems.Latest active codes (December 2025 updated) → Free Gems, Trait Rerolls, and rewards.Core mechanics deep dive → Summoning with pity tips, Etherealization for E6 gods, Trait rerolls (chase Ruler/Eternal), and Relic farming/sets.Full units bible → 30+ anime crossovers with roles, obtain methods, and synergies.Current meta tier list and god-tier builds → Ruler + Sun God on Jinoo Monarch.Team comps for every stage → Early-game F2P carries to late-game Wave 200+ scalers.Mode-specific strategies → Story Act walkthroughs, Infinite 100+ tactics, Challenges modifiers, Virtual Realm, and boss melts.Pro tips → Economy rushes, CC chains, avoiding common pitfalls, macros, and grinding spots.With clear tables, quick references, and progression paths tailored for both F2P and dedicated players, this educational handbook turns scattered wiki info into your offline powerhouse.Imagine summoning Mythic secrets effortlessly, rolling perfect Ruler traits, equipping Laughing Captain relics, and soloing Wave 200+ while topping leaderboards. Whether you're grinding Story Nightmare for relics or co-op Challenges for rerolls, this guide gives you the edge to dominate the anime crossover tower defense meta-faster progression, smarter builds, and endless wins await.Don't miss out-level up your game now with this essential user guide book. Perfect for Roblox fans ready to master Universal Tower Defense.