Secret Arcade Key used to unlock the basement of Bentley's Arcade. Check it out and get ready to rock out with some fist pumping tunes!
― Prize description[src]
The Special Arcade Key was the final prize unlocked in Bentley's Arcade for 311 tokens. It was used to unlock the fourth arcade machine and gain access to the basement of the arcade, where the Cooper rock concert takes place.
It is a two pronged key with a circular grip. There is a hole for a keyring in the grip. It is made of bronze.