The beginning is kick ass. As is the build at 1:55.
I guess my main criticism is the lack of melody line. I suppose this would be good for a background loop, but I still think that a melody line would've made this top notch.

Keep at it though. Like I said, the beginning was catchy.

Cool piece. May alter the dynamics of some of the parts to give it a more engaging trajectory? cool though.

yeah man, sounds great. i like the intro sounds and everything, nice and relaxing.

Sounds pretty good man. Sounds like good video game music to me.