No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $14.7K — a different platform, not this one.

Mr. Bree+

Mr. Bree+ is a hardcore sidescrolling adventure/platformer, full of challenges, and enriched with great visual and musical effects. The game tells the story of a householder family pig that was captured by the wild boars and sent to work as a captive - until the day he ran away! During his escape, Mr. Bree had a trauma and forgot about his family, the way home, and also his movement skills. So it's up to the player to recover his movements, enable him to return home, and find out what happened to his family. During his journey, Mr. Bree will face some mindblowing challenges and revelations. 60 levels of pure challenge with harder game modes that will push your skills to the PRO level. Original music score and scenarios so amazing that you will dream about them for days. Over forty achievements for you to extract every single bit of the game. Feel the emotion of being a householder pig trying to return home and searching for his family!