Cheat Codes for Tony Hawk's Underground

Platform: GameCube

3 Codes Found 
  1. (m)

    7V2B-JQ6Y-KCKFK
    RNHW-WG0M-99JFY
  2. Massive Score in Challenges

    FD1N-PB09-J0D03
    XER3-M7C2-PFY6Q
  3. Moon Jump (Hold DPad Up)

    0HWC-FJEJ-7ZDGR
    97U4-VFN2-V9A7X
    UDPM-32AM-FN55E