All the music tracks used in the game are royalty free.

Claw Machine Jingle - by Royalty Free Music
https://youtu.be/8YaeWgh1F7M?list=PLktMIAmuyfAYjBfNQAAG7t-mV6fuJrrEP

Zombie Main BGM - Horror Ambiance - Ominous Background Music by ESN Productions
https://www.youtube.com/watch?v=xAO3x-Uhfoo

Night - Forest at Night with owl sound effect by KungfuToScience CH
https://youtu.be/n015SxnZwOc

Leon Ending - Sad background music by Background Corner
https://www.youtube.com/watch?v=C6SygOtrhMU

Luna Ending - Cozy Place Chill Background Music by Keys of Moon
https://www.youtube.com/watch?v=ljFeNKGT4yY