Regions

Regions are areas you can visit in Tower Testing. Each region has a different base difficulty and a different selection of enemies. Only the Forest region is accessible initially, but new regions are unlocked by completing wave 100 in the previous region.

Each Region has a handful of Modules that can be unlocked either on specific wave milestones or through a drop chance. Refer to Modules#List of Modules for the list of those modules.

List of Regions

	Name	Enemies
01	Forest
02	Desert
03	Winter
04	Underground
05	Volcano
06	High Mountain
07	Jungle
08	Metallic Ruins
09	Beach
10	Ocean
11	Neutral
12	Dark Realm
13	Heaven
14	Universe
15	Chaos

Difficulty

Every region has 6 difficulty levels available: Easy, Medium, Hard, Insane, Nightmare, and Impossible. Difficulty levels are unlocked by reaching wave 100 on the previous difficulty. Each difficulty is given a multiplier which increases the enemies attack and defence.

While each region usually only spawns a specific selection of enemy elements, on Impossible difficulty all elements are spawned.

Region	Difficulty	Multiplier
Forest	Easy	100%
Forest	Medium	6,377%
Forest	Hard	128,043%
Forest	Insane	8.83 M% (8.83e6%)
Forest	Nightmare	4.99 B% (4.99e9%)
Forest	Impossible	3.21 Qa% (3.21e15%)
Desert	Easy	781%
Desert	Medium	18,340%
Desert	Hard	403,948%
Desert	Insane	34.1 M% (3.41e7%)
Desert	Nightmare	28.5 B% (2.85e10%)
Desert	Impossible	52.4 Qa% (5.24e16%)
Winter	Easy	2,877%
Winter	Medium	21,852%
Winter	Hard	419,964%
Winter	Insane	34.3 M% (3.43e7%)
Winter	Nightmare	28.5 B% (2.85e10%)
Winter	Impossible	52.4 Qa% (5.24e16%)
Underground	Easy	28,051%
Underground	Medium	65,680%
Underground	Hard	660,921%
Underground	Insane	41.8 M% (4.18e7%)
Underground	Nightmare	36.1 B% (3.61e10%)
Underground	Impossible	82.5 Qa% (8.25e16%)
Volcano	Easy	154,692%
Volcano	Medium	305,789%
Volcano	Hard	2.34 M% (2.34e6%)
Volcano	Insane	117 M% (1.17e8%)
Volcano	Nightmare	124 B% (1.24e11%)
Volcano	Impossible	632 Qa% (6.32e17%)
High Mountain	Easy	1.74 M% (1.74e6%)
High Mountain	Medium	3.14 M% (3.14e6%)
High Mountain	Hard	18.2 M% (1.82e7%)
High Mountain	Insane	391 M% (3.91e8%)
High Mountain	Nightmare	235 B% (2.35e11%)
High Mountain	Impossible	1.61 Qi% (1.61e18%)
Jungle	Easy	38.1 M% (3.81e7%)
Jungle	Medium	69.2 M% (6.92e7%)
Jungle	Hard	399 M% (3.99e8%)
Jungle	Insane	6.72 B% (6.72e9%)
Jungle	Nightmare	1.53 T% (1.53e12%)
Jungle	Impossible	4.79 Qi% (4.79e18%)
Metallic Ruins	Easy	131 M% (1.31e8%)
Metallic Ruins	Medium	239 M% (2.39e8%)
Metallic Ruins	Hard	1.4 B% (1.4e9%)
Metallic Ruins	Insane	23.7 B% (2.37e10%)
Metallic Ruins	Nightmare	5.02 T% (5.02e12%)
Metallic Ruins	Impossible	10.6 Qi% (1.06e19%)
Beach	Easy	780 M% (7.8e8%)
Beach	Medium	1.46 B% (1.46e9%)
Beach	Hard	9.3 B% (9.3e9%)
Beach	Insane	180 B% (1.8e11%)
Beach	Nightmare	46.8 T% (4.68e13%)
Beach	Impossible	140 Qi% (1.4e20%)
Ocean	Easy	3.87 B% (3.87e9%)
Ocean	Medium	7.53 B% (7.53e9%)
Ocean	Hard	53.2 B% (5.32e10%)
Ocean	Insane	1.21 T% (1.21e12%)
Ocean	Nightmare	429 T% (4.29e14%)
Ocean	Impossible	2.73 Sx% (2.73e21%)
Neutral	Easy	16.8 B% (1.68e10%)
Neutral	Medium	33.9 B% (3.39e10%)
Neutral	Hard	266 B% (2.66e11%)
Neutral	Insane	7.2 T% (7.2e12%)
Neutral	Nightmare	3.48 Qa% (3.48e15%)
Neutral	Impossible	50.6 Sx% (5.06e22%)
Dark Realm	Easy	85.6 B% (8.56e10%)
Dark Realm	Medium	180 B% (1.8e11%)
Dark Realm	Hard	1.6 T% (1.6e12%)
Dark Realm	Insane	52.8 T% (5.28e13%)
Dark Realm	Nightmare	37.1 Qa% (3.71e16%)
Dark Realm	Impossible	1.46 Sp% (1.46e24%)
Heaven	Easy	523 B% (5.23e11%)
Heaven	Medium	1.16 T% (1.16e12%)
Heaven	Hard	11.9 T% (1.19e13%)
Heaven	Insane	493 T% (4.93e14%)
Heaven	Nightmare	534 Qa% (5.34e17%)
Heaven	Impossible	66.2 Sp% (6.62e25%)
Universe	Easy	7.14 T% (7.14e12%)
Universe	Medium	18.4 T% (1.84e13%)
Universe	Hard	298 T% (2.98e14%)
Universe	Insane	25.7 Qa% (2.57e16%)
Universe	Nightmare	109 Qi% (1.09e20%)
Universe	Impossible	519 Oc% (5.19e29%)
Chaos	Easy	758 T% (7.58e14%)
Chaos	Medium	2.88 Qa% (2.88e15%)
Chaos	Hard	147 Qa% (1.47e17%)
Chaos	Insane	79.4 Qi% (7.94e19%)
Chaos	Nightmare	10.5 Sp% (1.05e25%)
Chaos	Impossible	482 UDe% (4.82e38%)