The way the music syncs up with the first enemy appearance was one of my favorite things about this game! I also loved how you could upgrade the bodies on both speed and attack to create the ultimate soldier. Couple this feature with the meta game where you can keep switching the positions of the bodies and I think you have a really strong core loop.
I was a little bummed out by how you can't clone the upgraded versions though I understand how that could've broken the game, haha. Also the part where placing a body on a tile with an enemy doesn't stop them took away some opportunities for last ditch sacrifices.
But this was a really fun and well made game. Good job!