Thank you for the kind words! :D
The tank controls are rather tricky to get down. Even after hours of testing, I'll still get confused, myself! We experimented with alternative control schemes, but the tank controls were the only option that really worked for this style of puzzle game. We'll definitely remember this when we design our next game; deciding on a simple and fun movement mechanic may be the best first step to take when brainstorming game ideas! :)
-Daniel