Makslane, perhaps you could provide an answer for this question.
I was quite impressed with some of the graphics and sound effects in the tutorials and demos included with GE, and I was wondering if those were free for use in other projects. In particular, I loved the explosion animation from the shoot 'em up demo, and would like to include it in my game.
Are those assets royalty free, or would I have to pay to use them in my project?