Subpolar River

Subpolar River is the second map in the Polar region.

Buildings

Tier 1 buildings

Name	Icon	Cost (Gardener)	Unlocked by
Turbine		40	n/a
Water Pump		25	n/a
Pipe Hub		10	n/a
Toxin Scrubber		25	n/a
Carbon Compactor		40	n/a

Tier 2 buildings

Name	Icon	Cost (Gardener)	Unlocked by
Solar Amplifier		15	n/a
Arboretum		50	n/a
Biodome		25	n/a
Algae Greenhouse		25	n/a
Chaparrallum		25	n/a

Tier 3 buildings

Name	Icon	Cost (Gardener)	Unlocked by
Airship		25	n/a
Recycling Silo		25	n/a
Recycling Drone		10	n/a
Flying Recycling Drone		10	n/a
Standalone Beacon		10	n/a
Rock Hopper		10	n/a
Sonic Pulse		10	n/a
Wildlife Bridge		10	n/a
Animal Observatory		50	??? animals?

Tier 4 buildings

Name	Icon	Cost (Gardener)	Unlocked by
Cloud Seeder		25	n/a
Combustor		25	n/a
Dehumidifier		25	?
Flash Freezer		25	?

Climate

The map starts at 20°C, 10% humidity, and 56% radiation.

Greenery Bonus	Title	Humidity needed (%)	Temperature needed (C)	Radiation needed (%)	Note
30	Fungi in forests	>40%	n/a	n/a
50	Moss on boulders	>40%	<15°C	n/a	note: is under 15°C
75	Ivy overgrowth	>70%	>15°C	n/a
75	Butterflies	n/a	>5°C	<35%
100	Migratory birds return	n/a	>15°C	<50%
100	Moths	n/a	<20°C	<10%	note: is under 20°C
125	Moss on rock faces	>50%	<10°C	note: is under 10°C
50	Fireflies	n/a	>-5°C	<10%
*	Snowfall begins	>40%	<-5°C	<20%	precipitation
300	Aurora	n/a	n/a	<5%

Animals

Unusually for the Polar region, Timberwolf and Boar are animals on this map instead of Narwhal and Penguin. This is probably due to the lack of ocean tiles in this map.

Name	Icon	Region	How to find
Polar Bear		Polar	16+ Snow, 6+ Ocean, an area where Elk have already been found
Snowy Owl		Polar	10+ Forest, Tundra
Arctic Fox		Polar	10+ Snow, +10 Tundra
Elk		Polar	6+ Lichen, 20+ Snow
Timberwolf		Temperate	15+ Forest, Greenery where Deer have already been found
Boar		Continental	8+ Greenery, 12+ Deciduous Forest

Screenshots

• 
  An example of how the map looks at the outset
• 
  The same map, at completion