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 $322.8K — a different platform, not this one.

Robin Hood: The Legend of Sherwood

England, Anno Domini 1190 – Richard the Lionheart is held prisoner and his brother, Prince John rules over the simple peasants with an iron hand and this pure force of arms forces them to bend to authority. Only one man takes up the struggle against the oppressors, supported by a small band of brave and loyal followers. His name; Robin Hood. Roam the dense foliage of Sherwood, come face to face with royal trouble and battle against Prince John’s forces as you take on the role of legendary nobleman, Robin Hood. Team up with Little John and the rest of the Merry Men as the battle for the King’s throne ensues in this stealth-based, real-time strategy game. Key features: Non-linear campaign system with over 30 different missions Mission types from Robbery and Infiltration to Castle Attack and Ambush Combines action and adventure with stealth tactical elements Innovative combat system, interact with the mouse while fighting to access special combat skills Play as Robin Hood, Little John, Friar Tuck or even Maid Marian, nine characters in all, each with specific abilities and attributes Spectacular graphics with realistic atmospheric conditions like day, night and fog Explore historic locations; Sherwood Forest, Nottingham Castle, York and many more