The price of NBA 2K2 varies depending on the platform and condition. For Nintendo GameCube, the price ranges from about $4.38 for a loose game to around $35.75 for new, with complete sets typically priced around $9.05. For Xbox, loose copies are around $5.76, and new copies can go up to about $20.75. Additionally, for PlayStation 2 NFL 2K2, the price is about $8.99. Prices fluctuate based on the condition and completeness of the game.