Use the left and right arrow keys to move. Space to fire. The game will get progressively more difficult. You need to survive for one minute. Do not let any ships pass, and do not hit any ships or enemy lasers.
This game was created for Mr. Jaffe's AP Computer Science Principles course. This isn't my return to Scratch after 3 years :P Features some difficulty scaling and really poorly laid out code. I miss proper languages.