why not? other companies are using and distributing and reselling it too...
check: http://www.planetside.co.uk/terragen/commercialuse.shtml
or is it allowed when you use it inside a game or movie, and not just distribute and resell the terragen output?
check: http://www.planetside.co.uk/terragen/commercialuse.shtml
or is it allowed when you use it inside a game or movie, and not just distribute and resell the terragen output?