That was awesome. The gameplay, art, animation, sound, everything felt great. Slowly building up the ground underneath you with enemy corpses, combined with some simple sand physics is such a cool novel idea. Gameplay was generally great - killing enemies was super satisfying, shooting and collecting ammo provided some challenge but wasn’t too easy or too difficult. Movement did feel a little slippery and uncontrollable at times.
I also thought it would have been nice to have some way to deal with bats that get too low. Right now trying to dodge or hit bats in line or below you is not very fun, but I suppose preventing them from getting too close could be considered part of the challenge.
The lack of music/ambience did make it feel a bit quiet.