Below Zero

Weather, game modes & music

How the surface weather works per region, what each game mode changes, and the soundtrack by biome.

Weather by region

Each region rolls a weather set by its relative chance, holds it for the listed time, then rolls again. Temperatures are the base air temperature (°C) before your body heat sources.

Arctic Spires

Normal · 67% · 25–50 s

Event	Temp	Wind	Effects
Snow Storm	-10°	11	snow
Light Fog	-5°	0	heavy fog

Heavy Fog · 17% · 15–30 s

Event	Temp	Wind	Effects
Heavy Fog	-5°	0	heavy fog

Calm · 17% · 35–55 s

Event	Temp	Wind	Effects
Calm	-5°	11	clear
Clear Aurora	0°	11	aurora
Clear	0°	11	clear

Arctic Spires No Fog

No Fog · 80% · 25–50 s

Event	Temp	Wind	Effects
Snow Storm	-10°	11	snow

Calm · 20% · 25–50 s

Event	Temp	Wind	Effects
Calm	-5°	11	clear
Clear Aurora	0°	11	aurora
Clear	0°	11	clear

Default

Normal · 43% · 40–50 s · danger 1

Event	Temp	Wind	Effects
Calm	-5°	8	aurora
Light Snow	-5°	8	snow
Clear Skies	10°	10	clear

Normal · 29% · 25–40 s · danger 2

Event	Temp	Wind	Effects
Blizzard	-30°	55	snow, heavy fog
Snow Storm	-5°	11	snow
Heavy Fog	0°	0	heavy fog

Extreme Weather · 29% · 25–40 s · danger 3

Event	Temp	Wind	Effects
Electric Storm	0°	50	snow, lightning
Hail Storm	-20°	40	snow, hail
Whiteout Blizzard	-30°	70	snow, heavy fog

Glacial Basin

Calm · 36% · 40–50 s

Event	Temp	Wind	Effects
Calm	-5°	11	clear
Clear Aurora	0°	11	aurora
Clear	0°	11	clear

Normal · 36% · 25–40 s · danger 2

Event	Temp	Wind	Effects
Light Snow	-5°	8	snow
Light Fog	0°	0	heavy fog
Snow Storm	-5°	11	snow

Normal · 18% · 25–40 s · danger 3

Event	Temp	Wind	Effects
Hail Storm	-20°	40	snow, hail
Blizzard	-30°	55	snow, heavy fog

Normal · 9% · 25–40 s · danger 3

Event	Temp	Wind	Effects
Hail Storm	-20°	40	snow, hail
Blizzard	-30°	55	snow, heavy fog

Glacial Bay

Calm · 50% · 40–50 s

Event	Temp	Wind	Effects
Calm	-5°	11	clear
Clear Aurora	0°	11	aurora
Clear	0°	11	clear

Normal · 50% · 25–40 s · danger 2

Event	Temp	Wind	Effects
Light Snow	-5°	8	snow
Light Fog	0°	0	heavy fog
Snow Storm	-5°	11	snow

Intro Area

Normal · 100% · 40–50 s · danger 1

Event	Temp	Wind	Effects
Calm	-5°	8	aurora
Light Snow	-5°	8	snow
Clear Skies	10°	10	clear

Lily Pads

Normal · 67% · 25–50 s · danger 1

Event	Temp	Wind	Effects
Calm	-5°	8	aurora
Clear Skies	10°	10	clear

Normal · 17% · 35–60 s · danger 1

Event	Temp	Wind	Effects
Rain	8°	25	rain

Normal · 17% · 25–40 s · danger 3

Event	Temp	Wind	Effects
Electric Storm	0°	50	snow, lightning

Outpost Zero Interior No Fog

Outpost Zero Interior No Fog · 100% · 10–100 s

Event	Temp	Wind	Effects
No Fog Interior	20°	0	clear

Rocket Island

Normal · 80% · 50–75 s · danger 1

Event	Temp	Wind	Effects
Calm	-5°	8	aurora
Light Snow	-5°	8	snow
Clear Skies	10°	10	clear
Light Fog	0°	0	heavy fog
Rain	8°	25	rain

Normal · 20% · 35–50 s · danger 2

Event	Temp	Wind	Effects
Snow Storm	-5°	11	snow

Game mode presets

Setting	Survival	Freedom	Hardcore	Creative	Custom
Permanent death	Off	Off	On	Off	Off
Body temperature decreases	On	On	On	Off	On
Oxygen depletes	On	On	On	Off	On
Crafting requires resources	On	On	On	Off	On
Tech requires unlocking	On	On	On	Off	On
Technology requires power	On	On	On	Off	On
Game has radiation sources	On	On	On	Off	On
Vehicle water pressure damage	On	On	On	Off	On
Base water pressure damage	On	On	On	Off	On
Hunger	On	Off	On	Off	On
Thirst	On	Off	On	Off	On
Show oxygen alerts	On	On	Off	Off	On
Show hunger alerts	On	Off	On	Off	On
Show thirst alerts	On	Off	On	Off	On
Show temperature alerts	On	On	Off	Off	On
Organic oxygen sources	On	On	On	On	On
Weather effects	On	On	On	On	On
Vegetarian diet	Off	Off	Off	Off	Off
Day length	900	900	900	900	900
Night length	300	300	300	300	300
Bad weather frequency modifier	On	On	On	Off	On
Creature aggression modifier	On	On	On	Off	On
Player damage taken modifier	On	On	On	Off	On
Tech damage taken modifier	On	On	On	Off	On
Aggressive creature damage taken modifier	On	On	On	On	On
Aggressive creature spawn modifier	On	On	On	On	On
Not aggressive creature spawn modifier	On	On	On	On	On
Story	On	On	On	Off	On
Initial equipment pack	Off	Off	Off	On	Off

Survival: Survive alone on 4546B while investigating the death of your sister.
Freedom: Like Survival, but without hunger or thirst.
Hardcore: Survival mode with only one life. No O₂ alerts.
Creative: Build anything with no constraints. Oxygen, food, story and death disabled.
Custom: Setup your player experience. Warning: Disables achievements.

Music

46 tracks; 0 start locked and unlock for the jukebox as you find them.

Arctic Spires

Arctic Spires

Glacial Connection

Jellyfish

Outpost Zero

Marbled Anemone, Frozen River

world Edge

Spectre

Arctic Kelp

Light Rays

Precursor Sanctuary

Sanctuary Cave

Oupost Zero Interior

Marbled Anemone, Frozen River

Crystal Cave

Chasm

Tree Spires

Tree Spires

Purple Vents

Purple Vents, Limestone

Sparse Arctic

Flowers

Glacial Basin Underwater

Safe Cave02, Safe Cave01

Deep Lily Pads

Deep Lily Pads

Twisty Bridges

Deep Twisty Bridges, Singing Sea, Permafrost

Lily Pads

Lily Pads, Seabed

Crystal Castle

Vocals

Glacial Basin Temperate Cave

Safe Cave02

Shipwrecks

Salt Water, Glitch

Glacial Forest

Glacial Trees, Marbled Anemone

Thermal Spires

Lithium, Magnetite, Mineral Deposits

Iceberg West

Iceberg A

Drop Pod

Twisty Bridges, Arctic Peeper, Gen Shallows

Glacial Basin Dark Cave

Safe Cave01

water Void

Spectre

Fabricator Base

Fabricator Base

Caldera

Terror From The Deep

Mining Site

Mining Site

Glacial Basin

Glacial Basin, Phi Robotics, Frozen River, Marbled Anemone

Glacial Basin Ice Lake

Flowers, Limestone

Fabricator Cave

Creep, Disturbed

Arctic Kelp Caves

Arctic Kelp Cave

Intro Tension

Intro Tension

Deep Twisty Bridges

Caverns

Iceberg East

Waves