The game is fun but most of the weapon upgrades are a bit op, especially laser and triple. I easily beat the 10th boss with full health and then I just quit. I think the weapon upgrades should time out after a short amount of time so you have to keep picking up new weapon upgrades. Laser is too easy because it kills the enemies quickly and cancels bullets. It's also the best weapon to kill the boss because you can just cancel all incoming bullets. Perhaps the boss(es) could have bullets that can't be cance...

Is there any way to rebind the controls in this demo? Rebindable controls are pretty ubiquitous, but I don't think there is even a way to look at the controls in-game. Also, after I died, I was confused as to why Retry was the only option, and did not expect it to take me back to the title screen...