Idle Fly Fly Fly is an interesting auto attack and upgrade game. In the game you need to destroy more icy stuff with your cannon. Then you can upgrade your range, power, maximum shots and auto-fire speed with earned cash.
You can also use Research Points which you earn over time and for completing achievements to upgrade your research ability and the attack power.
You can have trillions of billions of money. You can economically conquer the world. You spend it upgrading a cannon. This is your choice of how to play it! Have fun!