Gaea

Semi-Autonomous

Node-based terrain design tool with erosion simulation and game engine export.

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About

Gaea by QuadSpinner is a terrain generation tool with physically accurate erosion, procedural sculpting, and ecosystem design. Exports heightmaps, splatmaps, and masks to Unity, Unreal, and other engines. Perpetual license with no subscription.

Agentic Level: Semi-Autonomous

AI does most of the work; human reviews and refines output.

Procedural graphs auto-generate terrain from parameters. Human designs erosion/sculpting pipeline and art-directs results.

Engine Support

Unity Unreal Godot Engine Agnostic

Pricing

Freemium Community Edition free (1K export cap), Indie $99, Professional $199, Enterprise $299

Game Dev Workflows

Asset Production Pipeline Level & World Building

Tags

terrain erosion heightmaps node-based landscapes

Listed in Procedural Generation

Last updated: 2026-03-02