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 $3.3K — a different platform, not this one.

Prince of Qin

Prince of Qin is an action RPG that blends fighting and strategic elements in a voyage through the ancient Qin Dynasty. Meet over 70 NPCs based on real historical characters in over 100 different settings including the Great Wall of China and the Terracotta Warriors Tomb. Use a variety of weapons, equipment and abilities to fight for your cause and search for the treasure that will bring you closer to the Emperor's throne. The game balances team-fighting, with up to five heroes per team, and the use of various skills and abilities. The player is challenged by many enemies in more than 100 unique scenes accurately depicting the society and architecture of the Qin dynasty. Fusu, the Crown Prince of the Qin Empire, is ordered to commit suicide according to an imperial decree by his father, the First Emperor. General Meng Tian suspects something is wrong with the order and stops Fusu. Fusu flees from Shangjun with Meng Tian's help and arrives in the nearby Zhaocun Village. He makes a long and perilous journey back to the capital, Xianyang, to uncover the truth. Fusu is shocked to hear that his father had died and that his youngest brother, Huhai, has ascended the throne as the Second Emperor. He meets his childhood friend, General Huan Feng, and learns that there is something fishy about his father's death. He decides to enter his father's tomb to investigate.