I like the graphical style. An indicator for how much a turrent upgrade actually costs would be nice. At some point into the game it gets a bit hard to keep track of what's actually happening on screen due to having so many large projectiles visible at once. Was fun for a while!
itch.io is an open marketplace for independent game creators. It's completely free to upload your content. Read more about what we're trying to accomplish and the features we provide.