All Untitled Defense Guides

Start Untitled Defense without wasting a reroll: how Gems and Trait Rerolls work, what to do in your first lobby, and how to reach your first boss wave.

All 12 working Untitled Defense codes with exact Gems and Trait Reroll payouts, how to redeem at the Codes Area, plus 13 already-expired codes.

No public roster of Untitled Defense units exists, so here is how to rank your own lineup from in-game data and decide where every Gems and Reroll goes.

UPD2 is the current build of Untitled Defense, live since September 2026. What is confirmed about it, what has no patch notes, and how to re-check your picks.

The official Untitled Defense server is at discord.gg/untitleddefense. What it is, how to join safely, and what to check there after every update.