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 $255.8K — a different platform, not this one.

OlliOlli

OlliOlli mixes addictive one-life gameplay with over 120 tricks and grinds across 50 deviously crafted levels, 250 Challenges, Spots Mode. Not enough for you? Complete all challenges to unlock the super skillful RAD Mode! Just don’t slam on your face* * You will slam on your face. Multiplayer notice: The multiplayer portion of OlliOlli is currently under development and it is not available in the DRM-free version of OlliOlli at this time. Three Game Modes - Career, Spots, and RAD mode - will have you grinding for months to come Press to Land: Perfect landing and grind mechanic that rewards you for timing tricks to perfection, lock this down and mainline your brain into skateboarding's rhythm. Ride the World: Five different stages, each with their own unique levels and obstacles, grind over JCBs in the junkyard and heelflip over Dinosaurs in Neon! Precision Fingering: Over 120 tricks and grinds, from boardslides to nosegrinds and kickflips to impossibles - your digits will never get bored! Horizontally Challenged: An astounding 250 unique and cunning challenges, honing your skills, pushing you harder and harder - will you step up? Silverware: Capture various gold, silver, and bronze to put on your digital mantlepiece for ultimate bragging rights. Muzak: Sick hand-picked soundtrack including the Qemists, Dorian Concept and Flako. Who'd have thought jazz and skateboarding would go so damn well together?