Action Replay Codes [US]

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

The codes will work with the region specified but may work for other regions as well.

• Infinite Lives (One’s Digit)
  04C4:09
• Infinite Lives (Ten’s Digit)
  04C5:09
• Infinite Pizza (Ten’s Digit)
  04C7:09
• Infinite Pizza (One’s Digit)
  04C6:09
• Infinite Radioactive Icon (One’s Digit)
  04C8:09
• Infinite Radioactive Icon (Ten’s Digit)
  04C9:09
• Infinite Shots
  008B:62
• Have All Game 1 Treasures
  00DB:FF
  00DC:FF
  00DD:FF
  00DE:FF
• Have All Game 2 Treasures
  00DE:FF
  00DF:FF
• Have All Game 1 Treasures Returned 1
  00E0:FF
  00E1:FF
  00E2:FF
  00E3:FF
• Have All Game 2 Treasures Returned 2
  00E3 FF
  00E4:FF
• Invincible
  02C6:FE
• Infinite 90 Keys Left
  04CB:09
• Have Remote
  04E4:01
• Infinite 98 Seeds
  04E5:62
• Have Time Compass
  04E6:01
• Infinite Bonus Time
  042B:01
• Invincibility 3
  03DF:00

Footnotes

• Enable these codes while in a treasure return room, then exit it to end game phase 1.
• Enable these codes while in a treasure return room, then exit it to end game phase 2.
• It will keep you from dying if you walk into a enemy, but if you jump you might get killed anyway. It doesn’t work on spikes.

Cheats, Secrets, Tips & Tricks

Start at 1875 – Part 3
Hold A + B at the Title Screen to display the Password Menu. Enter FLUXCAPACITORISTHEPOWER as the password and press SELECT, START and you will start on Part 3.

Game Genie Codes

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

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

Preformatted .CHT File (Action Replay & Game Genie) [US]

The following is a preformatted .CHT file for Back to the Future II & III on Nintendo Entertainment System (NES). These files have been collected from around the web and may not be all inclusive. Be sure to check the code pages and other preformatted files, if applicable, for additional codes if what you are looking for is not included.

You can also use the codes out of this file manually on the appropriate device or software.

cheats = 38

cheat0_desc = "Start with 7? (The 2nd item over from your Lives)"
cheat0_code = "YAXKGZPA"
cheat0_enable = false

cheat1_desc = "Start with most and a lot of Items"
cheat1_code = "IAXGAZAA"
cheat1_enable = false

cheat2_desc = "Starting location modifier"
cheat2_code = "AOSKLOYA"
cheat2_enable = false

cheat3_desc = "Start with 9 Trophies, and 9 of each Item to the right of the Trophies"
cheat3_code = "PEUKIPAE"
cheat3_enable = false

cheat4_desc = "Infinite Keys On Pickup"
cheat4_code = "SXEEAXSE"
cheat4_enable = false

cheat5_desc = "Infinite Time In Puzzle Rooms"
cheat5_code = "SZUUUVVK"
cheat5_enable = false

cheat6_desc = "Infinite Shots"
cheat6_code = "008B:62"
cheat6_enable = false

cheat7_desc = "Have All Game 1 Treasures"
cheat7_code = "00DB:FF+00DC:FF+00DD:FF+00DE:FF"
cheat7_enable = false

cheat8_desc = "Have All Game 2 Treasures"
cheat8_code = "00DE:FF+00DF:FF"
cheat8_enable = false

cheat9_desc = "Have All Game 1 Treasures Returned"
cheat9_code = "00E0:FF+00E1:FF+00E2:FF+00E3:FF"
cheat9_enable = false

cheat10_desc = "Have All Game 2 Treasures Returned"
cheat10_code = "00E3:FF+00E4:FF"
cheat10_enable = false

cheat11_desc = "Invincible"
cheat11_code = "02C6:FE"
cheat11_enable = false

cheat12_desc = "Infinite 90 Lives"
cheat12_code = "04C5:09"
cheat12_enable = false

cheat13_desc = "Infinite 90 Pizzas"
cheat13_code = "04C7:09"
cheat13_enable = false

cheat14_desc = "Infinite 90 Fuel Left"
cheat14_code = "04C9:09"
cheat14_enable = false

cheat15_desc = "Infinite 90 Keys Left"
cheat15_code = "04CB:09"
cheat15_enable = false

cheat16_desc = "Have Remote"
cheat16_code = "04E4:01"
cheat16_enable = false

cheat17_desc = "Infinite 98 Seeds"
cheat17_code = "04E5:62"
cheat17_enable = false

cheat18_desc = "Have Time Compass"
cheat18_code = "04E6:01"
cheat18_enable = false

cheat19_desc = "20 lives"
cheat19_code = "ZAXKZZPA"
cheat19_enable = false

cheat20_desc = "30 lives"
cheat20_code = "LAXKZZPA"
cheat20_enable = false

cheat21_desc = "Infinite lives"
cheat21_code = "SXXELOVK"
cheat21_enable = false

cheat22_desc = "20 nuclear fuel units"
cheat22_code = "ZAXKYZPA"
cheat22_enable = false

cheat23_desc = "30 nuclear fuel units"
cheat23_code = "LAXKYZPA"
cheat23_enable = false

cheat24_desc = "Quicker shots"
cheat24_code = "PEKASEPO"
cheat24_enable = false

cheat25_desc = "Keep shots"
cheat25_code = "GZKAKGSA"
cheat25_enable = false

cheat26_desc = "Infinite fuel"
cheat26_code = "GZEEPZST+GZOEZZST"
cheat26_enable = false

cheat27_desc = "Invincible In Puzzle Rooms"
cheat27_code = "ATKSVSOZ"
cheat27_enable = false

cheat28_desc = "Infinite Lives (One's Digit)"
cheat28_code = "04C4:09"
cheat28_enable = false

cheat29_desc = "Infinite Lives (Ten's Digit)"
cheat29_code = "04C5:09"
cheat29_enable = false

cheat30_desc = "Infinite Pizza (Ten's Digit)"
cheat30_code = "04C7:09"
cheat30_enable = false

cheat31_desc = "Infinite Pizza (One's Digit)"
cheat31_code = "04C6:09"
cheat31_enable = false

cheat32_desc = "Infinite Radioactive Icon (One's Digit)"
cheat32_code = "04C8:09"
cheat32_enable = false

cheat33_desc = "Infinite Radioactive Icon (Ten's Digit)"
cheat33_code = "04C9:09"
cheat33_enable = false

cheat34_desc = "Infinite Bonus Time"
cheat34_code = "042B:01"
cheat34_enable = false

cheat35_desc = "Invincibility"
cheat35_code = "03DF:00"
cheat35_enable = false

cheat36_desc = "Full Inventory"
cheat36_code = "EYSUNAEI"
cheat36_enable = false

cheat37_desc = "Jump in mid air"
cheat37_code = "SZZYAO+ZLZYPP+IAZYZP+SAZYLO+XLZYGP+IAZYIP"
cheat37_enable = false

Retro Achievements

Wait a minute… achievements? I don’t remember achievements for this game. That is because there were not any, but there are now! See Below

RetroAchievements.org is a community who collaborates and competes with one another to earn custom-made achievements in classic games through emulation. Achievements are made by and for the community. New achievements for the wide variety of games as well as new games are added regularly. Not already participating but eager to? Sign Up Here!