The code is created by Carlos Saoud using unity engine.
Most graphics and assets are from Kenney.
The other images are either created by me using Adobe Illustrator or infinite design or from unity assets store.
If you want specific image info contact me.
Most sounds are CC0 and from freesounds and Kenny.
The other sounds are from unity assets store:
The music is called Cosmic Rays from Scifi Loops Pack 1.
The font is Saira Stencil One.