World Machine is procedural terrain-generation software for artists creating realistic or stylized landscapes.
Alternatives to Mapgen4
Heightmap Level Generator is a free browser-based tool for creating procedural terrain and heightmaps for Unreal Engine, Unity, and Godot.
Gaea is a Windows terrain design platform for visual effects, games, and virtual production.
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Infinity Generation
Infinity Generation provides Infinity Engine, a procedural generation engine for producing worlds, terrain, vegetation, planets, and other content at…
Free planAPILinuxmacOSWindows6.8Free plan - 5
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 - 6
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 - 7
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 - 8
TerraWorld 2023
TerraWorld 2023 is a node-based tool for generating 3D digital twins of natural environments on Earth.
AndroidiOSLinuxmacOS6.4$99 one-time - 9
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 - 10
World Creator
Windows6.2From $59 a year - 11
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 - 12
WorldEngine
WorldEngine is free, MIT-licensed software for procedural world generation.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 13
SimpleXTerrain
SimpleXTerrain is an open-source procedural terrain generation addon for Godot 4 .NET (C#).
Free planLinuxmacOSWindows6.0Free plan - 14
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 - 15
Ymir
Ymir is a free, node-based procedural terrain generator for Linux and Windows.
Free planLinuxWindows6.0Free plan - 16
3D Dungeon Generator
3D Dungeon Generator is a browser-based tool for creating procedural 3D dungeons from rooms and corridors.
Free planWeb5.9Free plan - 17
ProceduralCity
ProceduralCity is a web tool for generating detailed cityscapes for games, artwork, and creative projects.
Web5.9From $19 a month - 18

Dungeon Architect
Dungeon Architect is a procedural level generator for Unreal Engine and Unity.
LinuxmacOSWindows5.8$300 one-time - 19
WaveFunctionCollapse
WaveFunctionCollapse is a free tool that generates bitmaps using local patterns from an input image.
WebLinuxmacOSWindows5.8 - 20
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

