Hard work and dedication is what made PreVa, great result I enjoyed the trailer very much, it's a good mix of story interaction and gameplay aspects I hope you get good sale records !!
I've been playing the demo (got till the level after the transporters in space level) and have to say it's a lot of fun and very pro work!
The combat system is simple but works very well. Enemies are pretty smart and show varied behaviour. The levels are varied and the cutscenes add a lot to the experience.
Now I wonder what your next production's going to be?