DEEPSEA3D

UNDERWATER ACTION & EXPLORATION

Conquer
the abyss.

Beyond the sunlight, a whole world awaits. Take the helm of your submarine, discover the depths, and face what lurks below.

Play Game Discover the depths

Free to play on itch.io Desktop keyboard & mouse recommended

DeepSea3D cover art: a yellow submarine surrounded by coral, fish, and an underwater canyon
THE OCEAN IS CALLING
YOUR NEXT EXPEDITION STARTS HERE01 / BELOW THE SURFACE

DIVE A LITTLE DEEPER

Beautiful waters.
Dangerous company.

Explore at your own pace or turn up the difficulty. Every descent brings new discoveries—and a new reason to watch your sonar.

01 / EXPLORE

Three ocean depths

Chart your course through three depths. Defeat powerful bosses to unlock the waters below.

02 / SURVIVE

Make every shot count

Battle dangerous creatures and boss encounters. Upgrade your weapons, collect power-ups, and progress your submarine.

03 / DISCOVER

Follow the signal

Use sonar to find your way, scan research sites, and record your discoveries in the field journal.

IN-GAME CAPTURE
Actual DeepSea3D gameplay: a yellow submarine exploring a reef with colorful fish, jellyfish, and the cockpit HUD
A glimpse from the cockpit.DeepSea3D / Gameplay

POSTCARDS FROM THE ABYSS

Wonder. With teeth.

A look at the world of DeepSea3D through its promotional artwork.

Promotional artwork of a yellow submarine exploring a luminous underwater canyon
Into the unknownPromotional art
Promotional artwork of a megalodon approaching a submarine in the abyss
Something is out therePromotional art

BEFORE YOU SUBMERGE

Your field guide.

A few things to know before your first dive.

Full game details on itch.io
How do I play?

Press Play Game to visit DeepSea3D on itch.io, then select Run game. Use a desktop keyboard and mouse, and launch fullscreen for the best view of your cockpit and HUD.

What are the basic controls?
Steer
Mouse
Move forward
Hold left mouse button or W
Reverse / brake
S
Turn / pitch / roll
A / D · Up / Down · Left / Right
Fire
Hold right mouse button or Space
Boost / sonar
Shift / Q
Scan a research signal
Hold E nearby
Field journal / pause
Tab / P or Esc
Fullscreen / mute / headlight
F / M / L
Is my progress saved?

Autosaves and checkpoints are stored locally in the browser you use to play on itch.io. Return with the same browser to continue your dive. Clearing browser data may erase your saved progress.

Can I adjust the experience?

Yes. Adjust difficulty, graphics, audio, and steering to suit your expedition. DeepSea3D is in active development, and feedback and bug reports are welcome.

THERE’S MORE BENEATH THE SURFACE

Ready to dive in?

Your submarine is waiting.

Play Game Join the DeepSea3D Discord