Based on tutarial from Heartbeast: https://www.youtube.com/watch?v=zUeLesdL7lE&list=PL9FzW-m48fn09w6j8NowI_pSBVcsb3V78

The sprites were done by GrafxKid and are under a CCO license. https://opengameart.org/content/arcade-space-shooter-game-assets

The font was done by Kenney and is also under a CCO license. https://kenney.nl/assets/kenney-fonts

The sound effects were made by Heartbeast and are under a CCO license