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Become a Deep Sea Explorer

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About this game

🌊 Become a Deep Sea Explorer 🐠
Dive. Discover. Build your underwater empire!

🪸 Dive into an epic underwater adventure where you'll explore mysterious ocean biomes, capture exotic fish, uncover sunken treasures, and build your very own aquarium tycoon!

💦 Dive into Coral Reefs, Kelp Forests, Shipwreck Graveyards, and even glowing Bioluminescent Abysses!

🐟 Catch fish of all rarities using your harpoon — A fun way to gather fish!

💰 Find hidden treasures like gold, jewels, and chests to earn coins fast!

🏛️ Build and expand your personal Aquarium Museum Tycoon — showcase your fish and earn income every second!

📈 Upgrade your breath, swim speed, and luck to dive deeper and catch rarer creatures.

🔄 Trade fish with friends and complete your Fish Index!

🌧️ Dynamic weather and day/night cycles affect what you’ll find — rare fish only appear under special conditions!

💼 Can you catch them all and build the greatest aquarium on Roblox?

👍 Favorite the game and follow for update

OFFICIAL

Grinding Solo friendly Tycoon Fishing Trading Ocean Deep Sea

Playing

264

Rating

94.1%

Visits

21.3M

Favorites

380.5K

Official Roblox data 14 hours ago

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At a glance

Difficulty, whether it works on your own, whether it works in Japanese, how it plays on a phone, and how far you get without paying. All five come from people who have actually played it.

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Codes

Codes 7 active / 2 expired

W1W0KDE70K 50 Gems and 100 Money

50 Gems and 100 Money

Did this code work? 3 votes

HARPOON 5,000 Money

5,000 Money

Did this code work? 3 votes

FROSTFIRE Free Rewards

Free Rewards

Did this code work? 2 votes

HLW33N 1 Mythical Fish

1 Mythical Fish

Did this code work? 2 votes

THEKRAKEN 1 Sockeye Salmon

1 Sockeye Salmon

Did this code work? 2 votes

See more codes

Live and upcoming events

Events

Live now Oct 23 – Nov 20

Halloween Special 2026!

Halloween Update! 1. New exclusive boat! (VERY LIMITED ITEM!) 2. Halloween Vibes! 3. Exclusive limited fish! 4. Hallowe…

See the whole schedule

Where beginners should start

Guide

01 Getting through the tutorial Following the arrows through all 14 steps earns you 300 coins and unlocks explanations for every dock shop.
02 Building your aquarium and collecting income Placing fish in tanks starts the passive income ticker, and upgrading the ATM limit means fewer trips back to collect.
03 The three dock shops and what each one does Each shop handles a different part of the game.
04 Upgrades that open up deeper water Three stats can be upgraded through the Coach: breath, swim speed, and luck.