Credit 2.0 is a secret floor that is an updated version of the original credit floor (which is removed). The floor shows Milo and his friends and with a large text that says, "The Luxury Elevator. Thank you for playing!" The song that is used for this floor is (Milo Murphy's Law Credits).
This floor has 3 in 20,000 appearance.
Fun fact: When Milo himself activates this floor, the song plays for a longer period of time.