Underground

Underground
Lanes	4
Enemies
Difficulties
Easy	28,051%
Medium	65,680%
Hard	660,921%
Insane	41.84 M% (4.184e7%)
Nightmare	36.06 B% (3.606e10%)
Impossible	82.53 Qa% (8.253e16%)

Underground is the fourth region in the game, unlocked after completing wave 100 on Winter.

Completing wave 100 in this region unlocks the Volcano region.

Environmental Effects

This area has no environmental effects.

Modules

See also: Modules

Name	Enemies	Goals	Rules	Rewards
Level #1		Reach wave 250	Rules Max. 7 modules in total Max 3 defensive modules No ultimate modules Modules have to be maxed T1 or above Modules will be set to maxed T1 Enemies divide damage based on the wave they spawned in	+1% earth resistance per completed challenge

Type	Name	Unlock Condition
	Soul Harvesting	Random 0.1%
	Darkness Armor	Random 5%
	Air Armor	Random 5%
	Earth Armor	Random 5%
	Nature Armor	Random 5%
	Shelter	Random 1%
	Transmute	Random 0.5%
	Offensive Pack	Random 2%
	Defensive Pack	Random 2%

Town Assets

The following town assets are unlocked after completing wave 100:

Minecart Minecart

Mushroom Mushroom

Rail Rail