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Head-to-head · Game Map Generators

Heightmap Level Generator vs Gaea

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Heightmap Level Generator #1 in Game Map Generators 9.4/10 Free plan Free plan✓ 2 of 2 features Visit site
Gaea #5 in Game Map Generators 8.9/10 Free plan Free plan✓ 0 of 2 features Visit Gaea

Heightmap Level Generator leads on 0 checks, Gaea on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHeightmap Level Generator · 9.4/10
  • Free planboth
  • Most featuresHeightmap Level Generator · 2 of 2

Heightmap Level Generator scores higher on our rubric for game map generators: 9.4 against 8.9 out of 10; our editors rank them #1 and #5.

Heightmap Level Generator is the better fit for free, export-ready terrain and world maps. Gaea is the better fit for free-to-paid terrain authoring.

  • Heightmap Level Generator fits best

    Free, export-ready terrain and world maps

  • Gaea fits best

    Free-to-paid terrain authoring

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Side by side

Feature Heightmap Level Generator 9.4/10 Visit ↗ Gaea 8.9/10 Visit ↗
At a glance
Editor score 9.4 8.9
Ranking #1 in Game Map Generators #5 in Game Map Generators
Best for Free, export-ready terrain and world maps Free-to-paid terrain authoring
Pricing model Free Free plan + paid
Starting price Free plan $99 one-time
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Desktop
Platforms Web Windows
Support Docs Email, Docs
Integrations 5 integrations 2 integrations
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features Heightmap Level Generator 2/2 · Gaea 0/2
Custom assets ✓ (best) Not checked yet
Seed control ✓ (best) Not checked yet
Specs
Generation method Procedural Not checked yet
Map dimension Both Not checked yet
Engine export Unreal Engine, Unity, Godot Terrain3D, three.js Not checked yet
Export formats 16-bit PNG, RAW .r16, RGBA PNG, JSON, glTF .glb Not checked yet
Our review
Pros
  • Procedural terrain includes roads, towns, rivers, lakes, and erosion.
  • Repeatable seeds support comparison and consistent terrain generation.
  • Exports heightmaps, masks, layouts, metadata, and glTF meshes.
  • Free Community Edition with a perpetual license
  • Procedural simulations, high-resolution baking, and tiled builds
  • Houdini and Unreal workflow bridges
Cons
  • Browser and self-hosted deployment may not suit every production workflow.
  • GPU-based generation depends on WebGPU and WGSL support.
  • Terrain-focused exports may require additional engine-side implementation.
  • Windows only
  • Higher resolutions and automation require paid tiers
  • Paid licenses are one-time purchases with annual pricing shown
Our verdict

Heightmap Level Generator is a browser-based, open-source tool for creating procedural terrain and world maps for game development. It is aimed at teams and individuals working with Unreal Engine, Unity, Godot Terrain3D, three.js, Houdini,…

Read the review →

Gaea is a Windows desktop application for creating procedural terrain and natural environments. Its node-based terrain graphs combine geological primitives, terrain drawing, erosion, debris, water, snow, glacier, and vegetation…

Read the review →
  1. Heightmap Level GeneratorGame Map Generators 9.4Free plan
  2. GaeaGame Map Generators 8.9Free plan

Strengths and trade-offs

  • Heightmap Level Generator — where it wins

    • Procedural terrain includes roads, towns, rivers, lakes, and erosion.
    • Repeatable seeds support comparison and consistent terrain generation.
    • Exports heightmaps, masks, layouts, metadata, and glTF meshes.

    Where it doesn't

    • Browser and self-hosted deployment may not suit every production workflow.
    • GPU-based generation depends on WebGPU and WGSL support.
    • Terrain-focused exports may require additional engine-side implementation.

  • Gaea — where it wins

    • Free Community Edition with a perpetual license
    • Procedural simulations, high-resolution baking, and tiled builds
    • Houdini and Unreal workflow bridges

    Where it doesn't

    • Windows only
    • Higher resolutions and automation require paid tiers
    • Paid licenses are one-time purchases with annual pricing shown
  • Heightmap Level Generator9.4/10 · Free plan

    A free, open-source map generator with detailed terrain controls and engine-ready exports.

    Visit siteFull verdict →
  • Gaea8.9/10 · Free plan

    A capable Windows terrain authoring tool with a useful free entry tier and paid production features.

    Visit GaeaFull verdict →

More comparisons

All game map generators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update