Use arrow keys to move and space to launch missiles. Get rid of the aliens trying to invade earth.
Thanks to pinclipart.com for the city background. Where I got the laser sound effect- https://www.youtube.com/watch?v=zXacAt_lvPg Thanks to Moire from uppbeat.io for the alien music, here is his account of uppbeat.io: https://uppbeat.io/browse/artist/moire Thanks to https://www.youtube.com/watch?v=20GFPKfNNy4 for the death sound effect Thanks to seanmcmanus for the tutorial in his 2nd edition scratch book.
