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Caverns

It's less of a new 'Chambers' map, but definitely ramps up the difficulty. Resource management will be your best friend and foe. Resources are there, but rarely where you need them, leaving your assembly lines exposed.

Key features:
- 60 hand crafted waves and more waves after that.
- Carefully placed resources and pathways, posing a great challenge.
- Several boss waves as 'milestones'.
- Most biomes utilized so you can earn maximum efficiency.
- Difficulty: Hard