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Before you play

Switch on location

Deep Blue tracks where you are so checkpoints light up as you reach them. It won't work without location access.

Checking location permission…
Deep Blue

You're a polar bear on the hunt

Dive through the ice, catch as many fish as you can, and surface safely before the season ends.
Every fish you bring up in time scores automatically — the biggest haul wins.

The map

Two worlds: above & below the ice

Your map is double-sided — one side above the ice, one side below. Everything happens at physical checkpoints.

📍

Get within 15m

Move to a checkpoint and its button lights up. Tap it to open the checkpoint, then choose an action to make it happen.

🧊

Above the ice

Ice Holes, three Seals, the Wise Walrus, and Start/Finish.

🌊

Below the ice

Fish — Eels, Cods and Rays — reached by diving through an Ice Hole.

Getting under

Dive through an Ice Hole

Fish live below the ice. Reach an Ice Hole and tap Dive to go under.

🫧

Your oxygen timer starts ticking

An 8-minute oxygen timer begins the moment you dive. It shows above your score and pulses red as it runs low.

🕳️

Use any ice hole

Surface at any Ice Hole, not just the one you came down. Each new dive resets your oxygen.

Below water

Swim to fish and collect

Underwater checkpoints are fish. Reach one, tap Collect, and it's added to what you're carrying.

🐟

Bigger fish, bigger haul

Eels are the smallest, then Cods, and Rays are the largest — heavier fish are worth more kilograms.

Each fish, once

Catch a fish and it vanishes for the rest of your dive. Grab as many as you dare before you surface.

🔄

They restock if you level up

Take a lesson from the Wise Walrus (see slide 8) and every fish reappears at the same point, but heavier, ready to catch again.

The catch

Surface safely — or lose it all

Fish in your paws score the moment you surface through an Ice Hole. There's only one way your fishing trip can go wrong:

You run out of oxygen. If your oxygen timer hits zero before you surface, you drop every fish you're carrying. Always surface in time.
Surfacing scores instantly. The moment you tap Surface at any Ice Hole, every fish you're holding is added to your score automatically — no extra step needed.
Fish values

What each fish is worth

Fish score automatically when you surface. Weight values increase as you level up with the Wise Walrus.

FishLevel 1Level 2Level 3
Eel124
Cod248
Ray51012

All fish start at Level 1 weights. Take lessons from the Wise Walrus to raise these values for the rest of the game.

Above the ice

Fisher friends

🦭

Three Mercenary Seals

Three seals can each be recruited by solving their puzzle. A wrong answer locks that puzzle for 10 seconds. Solve a Seal's puzzle and it starts fishing for you at 0.5kg a minute until the game ends. Then when you visit a Seal, its accumulated catch is added to your score instantly.

🦡

Wise Walrus

Spend banked fish on lessons and every fish becomes worth more (see below). Level 1→2 costs 15kg, Level 2→3 costs 30kg, and each lesson repopulates the fishing points.

FishLevel 1Level 2Level 3
Eel124
Cod248
Ray51012

Puzzle answers are a single word, letter or number — for number answers, type 5, not "five".

Coming home

Check in at the Finish

Get back and check in at the Finish checkpoint within the allowed time to end your game.

🏁

+15kg for checking in

Each player must check in at the Finish before time runs out to earn a 15kg bonus, scored automatically. No check-in, no bonus.

⏱️

When time's up, you're done

Once the game clock ends, no more checkpoints can be reached — no diving, collecting or scoring. The clock sits at the bottom of every screen.

📊

Your score is always live

Every surface and every recruited/activated Seal visit adds to your score in real time — what you see at the end is exactly what you earned.

Practice run

Try one full dive

Dive → collect → surface and score. Tap the lit checkpoint at each step.

DEEP BLUE
InventoryFish (kg)0
Ice Hole 1
Oxygen Timer: 7m 58s
Score: 00m 12s
GameScoresHistory
You've reached Ice Hole 1. Tap it to open the checkpoint.
You're set

Dive in, bear.

Get under the ice, fill your paws, and surface before your breath runs out. Every fish you bring up scores automatically. Good luck out there.

🫧

Surface before oxygen hits zero

Or you drop everything you're carrying.

🦭

Visit Seals to collect their haul

Their catch scores the moment you arrive.