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Worlds and Unlocks

Eight worlds, each far harder and far more rewarding. Worlds 2-6 unlock at wave 100 of the previous one; the act worlds have their own gates.

Worlds are parallel difficulty tracks with their own enemies, visuals and rewards. You can switch between unlocked worlds at any time — each remembers its own best wave.

Unlocks and multipliers

Worlds 2-6 unlock by reaching wave 100 of the previous one; World 7 opens at wave 600 in World 6, and World 8 by reaching wave 300 in World 7
Difficulty and coin multipliers climb steeply each world — open any world below for its exact numbers

Better worlds, stronger loot

Higher worlds do not change rarity odds — those depend only on the wave. What a higher world gives is a higher item level on every drop, so the same gear rolls stronger stats; see Equipment Basics (“Item level by world and wave”) for the exact numbers. New enemy types join the pool by world and wave.

A boss spawns every 10th wave in every world. Bosses guard the biggest coin and material payouts.