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A restored crescent reef with colourful coral colonies, fish and clear blue water

An underwater world, grown by you

Small corals.
A world of life.

Plant, watch and discover. Bring a Great Barrier Reef habitat to life, one growing colony at a time.

Free to explore · No sign-in · Best with a mouse and keyboard

The 3D habitat loads after you choose. The complete reef has detailed assets and can take a minute on its first visit.

Explore the 40 ingredients
BUILD A REEF Actual game capture

From an idea to a living world

Made with Scenario.
Brought to life in code.

Scenario creates the visual ingredients. Blender shapes the assets. Procedural growth builds the living coral, while swimming rules bring the animals together.

Read the illustrated making-ofPDF ↗Build your own habitat with an agentRecipe skill ↓

The ingredients of a living reef

Meet the pieces.
See how they’re made.

From a single chromis to the whole crescent habitat. Explore 24 animals, 12 procedural corals and four environment assets. Open a piece for a closer look, its creation story and the original prompt.

12 of 40 examples

Studio renders show actual game models and procedural coral geometry. Open any asset to compare its concept, 3D render and interactive mesh. The three texture studies use presentation spheres.

Inspired by real Great Barrier Reef species. Growth is accelerated and artistic; this experience is not an ecological prediction.

How we made Build A Reef

Game footage and genuine 3D assets. Growth sequences are time-lapses.

How it was made

Read the original prompt

Recorded production prompt. Species illustrations can share a multi-specimen atlas.