anyone know how to make these moving backgrounds

One day I might just disappear out of nowhere from gamejolt. Dont know when dont know why

t

i don't know anymore

wat

Furry bandu doodle

i kin da hate it butttttttttttttttttttttttttttttttttttttttttt ye

new leak Are these the new Experimental mabbi Sprites? Or is this ferocious FOUR im CONFUSED HOLY SHIT

poland

my favorite video