Use WASD or the Arrow Keys to move. Click to fire your handy-dandy energy blaster.

Each room has a different secret rule that you'll have to figure out. Try to think outside the box! 

Pay careful attention to the objective icons in the top left corner of your screen. That's how you'll know if you're on the right track! The name of each level is also a hint. And if you're REALLY stuck, press Escape to pause and look for the hint button...