Cheat Codes for Need For Speed: Underground. Game Platform Platform: GameCube 39 Codes Found (M) 82B0-A94D-E9KCP AQHD-AZH1-4NYKM Genre: Racing » Simulation » Automobile. Developer: EA Canada. Publisher: Electronic Arts. Release: November 9, 2004. Franchises: Need for Speed. 82. For Need for Speed: Underground 2 on the PC, a GameFAQs Q&A question titled "Why will the cheat codes not work?". Here is an action replay code for Need for Speed Underground 2. Y1YN-2AUQ-BD17C ZNY2-TV8C-WTP6C B5QF-PWF9-G3QUN, this code has been tested and verified to work. This answer is: Need For Speed Underground (PC) Cheats. Need For Speed Underground cheats, and Codes for PC. Jump to: Cheat (3) X8vj.