This pretty rare feline-based slime is Lucky Slime from the cute arcade game Slime Rancher by Monomi Park. Lucky Slime loves everything shiny, especially the newbuck coins that he gobbles up and which gives the slime a distinct jingling when moving. The Secret Style of this cute slime called Guardian, he changes from white to black and has green and red colors. The game cursor for a mouse with cute characters named Slime Rancher Lucky Slime and Secret Style!
