The game is divided into four Zones (five in 
Amplified), each having three levels and a boss fight. Every Zone can be directly accessed from the Lobby (if unlocked). Each Zone gets progressively harder, with more enemy spawns, which tend to have higher health and deal more damage. Progressing through the game will unlock Achievements.
Zone 1[]
Zone 1 is cave-themed. Rooms are small and generally connected through narrow passageways. Most of these passageways have doors. The hazard of this Zone is water.
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Zone 2[]
Zone 2 is jungle-cave themed. Passageways between rooms are usually wider and there are fewer doors separating them. Hidden rooms in this Zone will often contain bombs as well as enemies. The hazard of this Zone is tar.
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Zone 3[]
The theme of Zone 3 is ice and fire. Zone 3 varies greatly from the previous two Zones as the levels take place in an open cave - as opposed to rooms connected with passageways - and several new hazards are introduced, the most notable being hot coal and ice.
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Zone 4[]
Zone 4 is dungeon-themed. All rooms vary in the size of their squares and are secluded from one another. Digging up a tier 1 or 2 wall digs up adjacent walls too (if the player has the appropriate shovel). The main hazard of this zone is Ooze. If the player has no shovel at all when you enter the floor, four goblin sentries will spawn in the room with you, which will run away and break walls for you. You can dig zone 4 dirt walls without a shovel, so goblin sentries don't spawn at the start.
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Zone 5 []
Zone 5 is electric-themed. Electric wires run throughout each floor. Tier 1 walls pop back up two beats after being dug using a shovel with exactly 1 digging power, if there is nothing in the way.
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Boss Level[]
Boss Levels spawn after the third level of each Zone. In any mode other than a single zone or dance pad mode, defeating the boss will take the player into the next Zone of the game.
Most zones have exactly one boss level. King Conga, Deep Blues, Death Metal, Coral Riff, and Fortissimole will each appear in one of the boss levels, in a random order. When playing as Cadence, Melody, Aria, or Nocturna, who have special final bosses, that boss or bosses will appear in zone 5 or 
zone 4 (or zone 1 instead for Aria), replacing one of the common bosses.
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