Help us! Our city is under attack! Please use our bubble ray to create bubble traps around our enemies. Click and hold the mouse, then draw a bubble, making sure to end up in the starting zone. You can only create bubbles of a certain size for now, and each bubble uses up air from your meter at the top. Don't worry though, you'll slowly fill up on air again, and popping bullbes by clicking on them gets air back too. Our research department is working on some new types of bubble to help you defend us, they'll be done shortly. We'll also be able to upgrade your bubble ray so you can produce larger bubbles. Good luck!