Heightmap Level Generator is a free browser-based tool for creating procedural terrain and heightmaps for Unreal Engine, Unity, and Godot.
Alternatives to World Machine
World Machine centers on procedural landscape creation. Its node graph has more than 100 devices for terrain, erosion, rivers, masks, materials and outputs, and it can simulate flow and thermal erosion, snow, river channels, lakes and coastal erosion. Dragontail Peak adds overhangs, cliff faces and caves. It exports heightfields, meshes, masks and PBR textures for workflows involving tools such as Unreal Engine, Unity, Godot, Blender, Maya and Cinema 4D. Professional and…
Gaea is a Windows terrain design platform for visual effects, games, and virtual production.
Infinity Generation provides Infinity Engine, a procedural generation engine for producing worlds, terrain, vegetation, planets, and other content at…
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Voxel Plugin
Voxel Plugin is voxel technology for Unreal Engine, with version 2 focused on creating and generating interactive terrain.
Free planAndroidmacOSWindows6.8$349 one-time - 5
L3DT
L3DT is a terrain-generation and editing application for game developers and digital artists creating large 3D worlds.
Free planLinuxWindows6.7$34.95 one-time - 6
MapMagic 2
MapMagic 2 is a node-based procedural terrain generator for Unity that can also place game objects.
Free planmacOSWindows6.5$45 one-time - 7
TerraWorld 2023
TerraWorld 2023 is a node-based tool for generating 3D digital twins of natural environments on Earth.
AndroidiOSLinuxmacOS6.4$99 one-time - 8
Procedural City Generator
Procedural City Generator is a Windows suite of procedural tools for creating true-scale, optimized cities inside Unreal Engine 5.
Windows6.2From $15 a month - 9
World Creator
Windows6.2From $59 a year - 10
TerreSculptor
TerreSculptor is Windows software for creating and editing terrain data, including heightmaps, weightmaps, splatmaps, masks and digital elevation models.
Windows6.1C$89 one-time - 11
WorldEngine
WorldEngine is free, MIT-licensed software for procedural world generation.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 12
SimpleXTerrain
SimpleXTerrain is an open-source procedural terrain generation addon for Godot 4 .NET (C#).
Free planLinuxmacOSWindows6.0Free plan - 13
Worldsmith
Worldsmith is a free, open-source browser tool for generating fantasy world maps from a numeric seed, with a separate mode for rendering Earth.
Free planWeb6.0Free plan - 14
Ymir
Ymir is a free, node-based procedural terrain generator for Linux and Windows.
Free planLinuxWindows6.0Free plan - 15
3D Dungeon Generator
3D Dungeon Generator is a browser-based tool for creating procedural 3D dungeons from rooms and corridors.
Free planWeb5.9Free plan - 16
ProceduralCity
ProceduralCity is a web tool for generating detailed cityscapes for games, artwork, and creative projects.
Web5.9From $19 a month - 17

Dungeon Architect
Dungeon Architect is a procedural level generator for Unreal Engine and Unity.
LinuxmacOSWindows5.8$300 one-time - 18
WaveFunctionCollapse
WaveFunctionCollapse is a free tool that generates bitmaps using local patterns from an input image.
WebLinuxmacOSWindows5.8 - 195.7
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worldGen
worldGen is a procedural 2D map generator that builds a world from an integer seed.
LinuxmacOSWindows5.7 - 21
Gaia Pro VS
Windows5.6$199 one-time - 22

Atlas Studio
Atlas Studio is a free, open-source plugin for making procedural terrain inside Roblox Studio.
Windows5.5 - 23
Frigga for Unity
Frigga for Unity is a procedural generation tool for tile-based levels, including dungeons, islands, caves, and natural landscapes.
LinuxmacOSWindows5.5 - 24
5.3 - 25
5.3$149 one-time - 26
Unity
Unity is a free Minecraft resource pack for Java Edition, with 1.21 listed as a supported version.
5.2
