Updated June 2026

100 Days At Sea Glossary

This glossary defines common English game terms used throughout 100 Days At Sea and this wiki. Terms are kept in English as used in-game.

Core Mechanics

Harpoon — Starting tool used to reel in floating debris, fish, and items from the ocean.

Raft — Your mobile base built from Wood and Rope; expanded with structures like Bonfire and Container Shelter.

Day Cycle — In-game days pass automatically; surviving 100 days is the primary long-term goal.

Seed — Map generation code entered in the lobby; determines island positions and loot layout.

Currencies and Rewards

Coins — Standard currency from selling loot and surviving nights; used at island vendors.

Pearls — Premium currency from chests and daily quests; spent on classes and companion chests.

Doubloons — Rare currency from high-tier content and some codes.

Companion Chest — Loot box purchased with Pearls containing random companion pets.

Progression Terms

Class — Loadout selected before a run providing stat buffs and starter gear (23 total).

Companion — Passive-buff pet equipped during runs; obtained from chest gacha.

Tier — Ranking label (S/A/B/Free) indicating class or item power relative to cost.

Code — Promotional text redeemed in the lobby for free Coins, Pearls, or chests.

World and Combat

Island — Land zone with unique resources and often a boss encounter (8 major islands).

Boss — Major PvE enemy guarding high-tier loot (Sand Worm, Ghost Captain, Lava Guardian, Frost Giant, Kraken, Bermuda Entity).

Kraken Zone — Deep ocean endgame area housing the Kraken boss.

Bermuda Island — Final storyline island with the Bermuda Entity boss.

Items and Crafting

Wooden Raft — First craft: 10 Wood + 5 Rope.

Bonfire — Cooking structure; essential for hunger management.

Iron Armor — Mid-game armor set required before Volcano Island.

Flintlock Pistol — First reliable ranged weapon for early bosses.

Medkit — Consumable healing item; Medic class starts with one.

Frequently Asked Questions

Why are glossary terms in English only?

Roblox game UI and community terms are predominantly English. This page provides consistent definitions across all wiki languages.

Where do I find class details?

See /classes/all-classes/ for the full class list with stats.

What does CCU mean in community discussions?

Concurrent users — the number of players online at once. Not an in-game mechanic.