Routes and Biomes

Ice Biome

Penguin rescue and an ice boss.

Ice Biome in 100 Days at Sea

Ice Biome: Penguin rescue and an ice boss. Get it by Reach the Ice Biome by the map route in your session. Use it to Decide whether you are rescuing penguins, fighting, or both. They are separate badges.

What is Ice Biome?

The Ice Biome contains a boss and a full penguin rescue. Community notes say the rescue is 20 penguins and that the fight can award an Ice Staff.

Published facts

Ice Biome facts
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NameIce Biome

How do you get Ice Biome?

Reach the Ice Biome by the map route in your session.

How do you use Ice Biome?

Decide whether you are rescuing penguins, fighting, or both. They are separate badges.

FAQ

Ice Biome questions

What is the goal in 100 Days at Sea?

Survive 100 in-game days in the Bermuda Triangle. You hook resources with a harpoon, build a raft, visit islands, and fight the threats named on the official badges.

Is this the same game as 99 Nights in the Forest?

No. 100 Days at Sea is made by Stranded Devs. Its description credits 99 Nights in the Forest, by Grandma's Favorite Games, as the inspiration. Codes from one game do not redeem in the other.

Which codes are worth trying?

Join a server, open CODES in the top-left, type the string exactly, and press SUBMIT. CORAL and SPOOKY are the two codes public trackers still treated as working on 10 November 2026. CORAL's Pearl amount is listed as 20 by most of those trackers and 40 by Destructoid.

What should I build first?

Feed the Bonfire to level 3, then craft Sawmills. Community guides from July 2026 put the Sawmill cost at 10 Wood and 2 Metal and tell you to build at least two. Crab Trap and Map Radar come next. Confirm every cost in the craft menu.

What is the difference between Pearls and Doubloons?

Pearls buy permanent classes and companion chests. Doubloons are the in-run merchant currency. A September 2026 developer note, reported on 10 November 2026, says Doubloons now save between runs and pay for companion upgrades.