This is too good to be true. There HAS to be a hidden charge somewhere.
if you sell the product you make with it, there is a 5% royalty
here's what they say about it, specifically:
"The 5% royalty starts after the first $3,000 of revenue per product per quarter. Pay no royalty for film projects, contracting and consulting projects such as architecture, simulation and visualization."
another powerful free game engine = more stuffty greenlight games.
not that it actually matters