Music by: 

40085985 using BeepBox

Sounds By:

40085985 using Audacity

Sound Spark LLC at Zapsplat.com

FreeToUseSounds at Zapsplat.com

Timbre at Freesound.org

Clearwavsound at Freesound.org

aabbccddee123 at Freesound.org

FractalStudios at Freesound.org

Zapsplat.com

FreeSound.org

Audacity

Tutorials:

https://lospec.com/pixel-art-tutorials/tags/animation - Mostly used Pedro Medeiros

https://design.tutsplus.com/tutorials/how-to-create-an-animated-pixel-art-video-... - For run animation