I thought I first I could control the aim and was wondering why it went in some weird way (well, it didn't take me too much time to figure it out don't worry xD).
I already saw the base idea of the dice theme, throw a dice and you shoot X bullets, but the twist you added with the target to aim, the turret ect really added that nice creativity touch, well done!
And the atmosphere/art is really nice too! Really liked playing it!
I'd suggest putting the number of levels in the description, I always wonder if I'm close to the end or not!