Currently, there are two editions available for MOUSE: P.I. For Hire: The Standard edition, and the Digital Deluxe Edition. The Standard edition provides access to the base game, while the Digital Deluxe is exclusive to Steam and includes the Digital OST, a Digital Comic Book, and a major Story DLC that will release at a later date.

A physical edition of MOUSE: P.I. For Hire will be available in early July, coming in both a Standard Edition and a Mouseburg Edition. For more information check your local retailers or here: https://www.mousethegame.com/post/mouse-p-i-for-hire-editions