Trying to extract .zip says it's empty.
EDIT: It works now. Made it to wave 30 something. It said "way to go, you beat the developer at her own game." Nice! I like the ocean theme. The octopus squirt on the sharks is cool, and the shark disintegrating is a nice touch. There wasn't an inch left to place anything. Got to figure out which defensive creature is the best bang for the buck to probably make it any further haha.