MapMagic 2
6.5#7 in game map generators$45 one-timeFree planmacOSWindows
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MapMagic 2 suits Unity developers creating procedural 3D terrain and placing objects through a graph workflow. Its generators and biome tools may help those building varied maps or terrain tiles during play.
World Machine suits artists working with digital terrain in game, film, and visualization pipelines. Basic may fit non-commercial projects that can work within its output-size limit.