Bosses

Alien ships

Clear every alien ship.

Alien ships in 100 Days at Sea

Alien ships: Clear every alien ship. Get it by Destroy all of the alien ships. Use it to Check the objective counter. One wreck is not the full badge.

What is Alien ships?

Alien ships are an official destruction objective, separate from killing 1,000 aliens, repairing the UFO, and solving the mothership laser puzzle.

Published facts

Alien ships facts
FactValue
NameAlien ships

How do you get Alien ships?

Destroy all of the alien ships.

How do you use Alien ships?

Check the objective counter. One wreck is not the full badge.

FAQ

Alien ships 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.