Player Image html tag: Icons made by https://www.flaticon.com/free-icon/battleship_2590218?term=spaceship&page=2&position=5, title of image is Nhor Phai from https://www.flaticon.com/
UFO Image html tag: Icons made by https://www.flaticon.com/free-icon/ufo_2927929?term=spaceship&page=1&position=5 , title of image is Good Ware from https://www.flaticon.com/
Alien Image html tag: Icons made by https://www.flaticon.com/authors/smashicons, title of image is Smashicons from https://www.flaticon.com/
Bullet Image html tag: Icon made by https://smashicons.com/, title of image is Smashicons from https://www.flaticon.com/
Code was referenced from this video: https://www.youtube.com/watch?v=FfWpgLFMI7w
Background music: Fearless First by Kevin Macleod Audio file downloaded from from: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1600058