What Is the 100 Days at Sea Update?

The 100 Days at Sea update has taken the Roblox survival community by storm, blending the tense island survival of 99 Nights in the Forest with open‑ocean exploration. Launched in June 2026, this 100 days at sea update tasks players with surviving 100 nights on the open water, scavenging drifting wreckage, fending off ghost pirates, and uncovering the mystery of the Bermuda Triangle. The game already boasts over 43,000 concurrent players, and developer Stranded Devs continues to roll out new content through regular patches.

Whether you’re a veteran of ocean‑survival games or a newcomer, understanding the 100 days at sea update mechanics is crucial. This article breaks down the newest features, active codes, and community‑tested strategies to help you make it to day 100.

New Features and Gameplay Mechanics

The 100 days at sea update introduces several systems that set it apart from its forest‑based predecessor. Here’s what you need to know:

Core Loop: Scavenge, Build, Survive

You start on a small raft with a harpoon to gather floating wood, metal, and crates. The game emphasizes raiding floating debris and island exploration. You craft a raft first, then expand it with floors, walls, and a bonfire. Unlike 99 Nights, you must also manage fuel for the bonfire and hunger – eating raw fish or cooking stew in a crock pot is essential.

Dynamic Threats

ThreatAppearanceStrategy
Ghost PiratesNight raids on your raftUse hatchet or flintlock; collect slime from bodies
Rival SurvivorsRandom islandsEliminate quickly; they drop loot
Angler FishLurks near islands; active at nightAvoid open water after dark; use dinghy to escape
Alien InvasionMid‑game event (around day 25+)Repel with blunderbuss; rewards doubloons
The Kraken (Boss)Late‑game boss aboard a galleonRequires explosive barrels and good aim; drops legendary loot

One player reported encountering a “sinister vessel” that attacks base – a consistent threat that requires turrets or heavy weapons. “The ghost pirates are relentless at night. I barely survived by using a harpoon and hiding behind wooden walls,” shared a community member on the official Discord.

Progression & Multipliers

Rescuing survivors (like Fisherman, Professor Eric) increases your day multiplier, which speeds up the number of in‑game days. At day 21 with three survivors, the multiplier reached +3 – meaning real‑time passes faster, reducing grind. Crafting a radar helps locate survivors and treasure islands.

Active Codes for 100 Days at Sea (July 2026)

The 100 days at sea update brought a wave of new codes. Redeem them in‑game via the Codes button to earn Pearls, which unlock classes and companions with better starting stats. Below are the current working codes as of July 26, 2026.

CodeRewardStatus
HERO20 PearlsActive (NEW)
20Pearls20 PearlsActive
ALIENSUnknownExpired

To redeem, launch 100 Days at Sea, click the Codes button (top‑right corner), enter the code, and submit. For an up‑to‑date list, check Eurogamer’s 100 Days At Sea codes guide, which regularly tracks new and expired codes.

Players have reported that the HERO code is particularly useful for buying a “good sack” (increases inventory to 10 slots) or a flintlock early on.

How to Survive Your First 10 Days (Tips from the Community)

Based on extensive player experience and the in‑game progression logs, here are the essential strategies for the early game of the 100 days at sea update.

Day 1-3: Secure Basics

  • Gather wood and metal with your harpoon – you need at least 3 wood to craft a raft.
  • Light the bonfire immediately – it goes out if unfueled, attracting enemies.
  • Craft a small shelter (requires 2 wood, 1 metal) to boost day count.
  • Fish using the rod from the rescued fisherman – fish can be cooked into stew.

Day 4-7: Expand Your Base

  • Build wooden floors to increase space for crafting stations.
  • Upgrade bonfire to level 3 for better heat and protection.
  • Craft a crock pot to make stews – they restore health and hunger.
  • Buy a dinghy from the traveling merchant to explore faster.

Day 8-10: Explore and Rescue

  • Use the dinghy to visit nearby islands; watch for anglerfish at night.
  • Rescue survivors (look for “!” above islands) – each raises your day multiplier.
  • Stockpile gasoline from barrels – it fuels your jet ski (available after day 20).
Essential ItemsHow to GetWhy It Matters
FlintlockBuy from merchant (30 doubloons)Effective early weapon
Good Sack250 pearls or 20 doubloonsInventory from 4 to 10 slots
BlunderbussLoot from enemies or cratesCrowd control against pirates
Crab TrapCrafted at workbenchPassive food/loot generation
Map RadarCrafted after base expansionLocate survivors and treasure maps

One player noted: “Don’t ignore the aliens – they drop tons of doubloons and a chance for the Alien Transporter. That thing made traveling to distant islands a breeze.”

Key Milestones and Progression

Reaching day 100 requires steady progression. Here are the milestones observed in the 100 days at sea update:

DayMilestoneReward/Event
5Survived first weekDoubloon chest
10Rescued 2+ survivorsDay multiplier +2, bonus loot
15Build a radar & sawmillCraft advanced items (pizza oven, pump jack)
25Survive an alien invasionRare loot, achievements
50Unlock galleon‑grade weaponsFaster travel, boss access
100The final nightBragging rights + special cosmetic

Most players agree the mid‑game (days 20-50) is the hardest because threats escalate while resource scarcity tightens. “I hit a wall around day 35 when the ammo factory kept needing metal. You have to prioritize metal runs,” said a top reviewer.

FAQ: Everything You Need to Know About 100 Days at Sea

Q: What’s new in the July 2026 100 days at sea update?
A: The update introduced the HERO code (20 Pearls), improved the day multiplier system, and added several new enemy types like the Angler Fish and Alien Invasion. Minor patches balanced resource spawning and fixed shelter placement bugs.

Q: How do I get more Pearls without codes?
A: Pearls can be earned by completing daily challenges, defeating bosses (e.g., the Kraken), and selling rare loot to the traveling merchant. Using codes like 20Pearls gives a head start.

Q: Why does my raft disappear at night?
A: It doesn’t disappear – but being on open water after dark triggers the Angler Fish which can one‑shot you. Always anchor near an island or return to your base before sunset.

Q: Can I play solo or with friends?
A: Currently the 100 days at sea update supports solo play. However, developers have hinted at co‑op expansion in future patches, allowing teams to survive together.