Image and Audio Attributions:

https://www.freepik.com/free-vector/arcade-game-world-pixel-scene_4815143.htm#query=8%20bit%20video%20game%20background&position=8&from_view=search&track=ais" Image by stockgiu on Freepik 

https://www.freepik.com/free-vector/funny-pixelated-character_834581.htm#query=8%20bit%20character&position=22&from_view=search&track=ais" Image by alekksall on Freepik

https://www.freepik.com/free-vector/game-message-with-fire-scene-life-bars_4749810.htm#query=pixel%20game%20box&position=1&from_view=search&track=ais" Image by stockgiu on Freepik

https://www.freepik.com/free-vector/arcade-game-world-pixel-scene_4815122.htm#query=mario%20pixel%20block&position=8&from_view=search&track=aisImage by stockgiu on Freepik

https://www.freepik.com/free-vector/pixel-games-icons-video-game-interface_13400114.htm#query=pixel%20coin&position=10&from_view=search&track=ais Image by macrovector on Freepik

Boss Time by David Renda - Royalty Free Music Download (fesliyanstudios.com) 

Boss Time by David Renda - Royalty Free Music Download (fesliyanstudios.com)

8-Bit Jump Sound Effects (Copyright Free) (creatorassets.com)

Image by https://www.freepik.com/free-vector/flat-design-pixel-art-food-illustration_38216041.htm#page=6&query=8%20bit%20door%20open%20and%20closed&position=9&from_view=search&track=ais Freepik

https://www.freepik.com/free-vector/arcade-game-world-pixel-scene_4814932.htm#page=4&query=pixel%20game%20background&position=30&from_view=search&track=ais Image by stockgiu on Freepik