Game Genie Codes

Back to the Future II & III – Game Genie Codes

The following are known Game Genie Codes for Back to the Future II & III on Nintendo Entertainment System (NES).

  1. 20 Lives
    ZAXKZZPA
  2. 30 Lives
    LAXKZZPA
  3. Infinite Lives
    SXXELOVK
  4. 20 Nuclear Fuel Units
    ZAXKYZPA
  5. 30 Nuclear Fuel Units
    LAXKYZPA
  6. Quicker Shots
    PEKASEPO
  7. Keep Shots
    GZKAKGSA
  8. Infinite Fuel
    GZEEPZST
    GZOEZZST
  9. Start With 7? (The 2nd Item Over From Your Lives)
    YAXKGZPA
  10. Start With Most And A Lot of Items
    IAXGAZAA
  11. Starting Location Modifier
    AOSKLOYA
    Note: You can change the 1st, 2nd, and 8th letter of the code to start at different places.
  12. Start With 9 Trophies, And 9 of Each Item To The Right of The Trophies
    PEUKIPAE
  13. Infinite Keys On Pickup
    SXEEAXSE
    Note: This only works for the keys in the ones column of the key meter.
  14. Infinite Time In Puzzle Rooms
    SZUUUVVK

Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.

Code Indexes for Nintendo Entertainment System (NES)

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