thx for the comment on my reflexes, I think you mean the reflexes of humans in general. I don't use a glitch. btw what was the last update, there is no changelog

Interesting, it is really that fast on your apple thing? I use android so I can't say. one question; You use userinfo for the scores, but you didn't implement highscore?

nice idea with good code to realize it. There are a few bugs; - the bullets of enemy's can't attack enemy ships - The enemy ships should disappear at the bottom

You should read the new documentary, with the latest greenfoot update the class Userinfo is usable, which allows you to use a few datas of the user