Thanks for playing. That's a bit odd, I'm able to maximize. One thing that might help is you can move the camera with WASD, which might help if you can't figure out how to maximize. Thanks for the feedback, nice score!
I played again and I'm happy to say you were correct as we both suspected that issue was on my end. I was able to maximize with no issues this time.
Good call on the WASD camera movement! That's a great solution! Maybe flashing some arrows with the WASD glyphs at the start of the first level to gently let the player know that's an option. Thanks for a great game! Inspirational stuff!