arrow keys: up and down z: shoot If an invader doesn't pop up within 5 seconds, reset the game.
UPDATES: Experience points added First Boss! Can you defeat him? CREDITS: Me... Alien laser cannon sound: greenblobo9 http://scratch.mit.edu/users/greenblobo9/ Gun and explosion sounds: Combinebobnt http://scratch.mit.edu/projects/662969/ Pixel letters and numbers: jdaster64 NOTICE: Do not remix unless you are actually going to change something.
