The following is a preformatted .CHT file for Gradius 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 = 25

cheat0_desc = "Automatic Fire Is On For Normal Gun"
cheat0_code = "NLLXZP"
cheat0_enable = false

cheat1_desc = "No Enemies Except End Guys"
cheat1_code = "NYPZZL"
cheat1_enable = false

cheat2_desc = "Both players have infinite lives"
cheat2_code = "SXOOYYVI"
cheat2_enable = false

cheat3_desc = "Both players start with 1 life"
cheat3_code = "AENELZLA"
cheat3_enable = false

cheat4_desc = "Both players start with 6 lives"
cheat4_code = "IENELZLA"
cheat4_enable = false

cheat5_desc = "Both players start with 9 lives"
cheat5_code = "AENELZLE"
cheat5_enable = false

cheat6_desc = "Keep power capsules"
cheat6_code = "KOXOLYSP"
cheat6_enable = false

cheat7_desc = "Increase force field protection"
cheat7_code = "NNOEKPIE"
cheat7_enable = false

cheat8_desc = "Hit Anywhere"
cheat8_code = "AAOKYAAP+AAXKGALA"
cheat8_enable = false

cheat9_desc = "Never Lose Weapons"
cheat9_code = "YGUONUZS+YGKPUUIL"
cheat9_enable = false

cheat10_desc = "Infinite Lives"
cheat10_code = "0020:05"
cheat10_enable = false

cheat11_desc = "Set Max. Speed"
cheat11_code = "0040:0F"
cheat11_enable = false

cheat12_desc = "Set Missiles"
cheat12_code = "0041:01"
cheat12_enable = false

cheat13_desc = "Set Weapon Modifier"
cheat13_code = "0044:00"
cheat13_enable = false

cheat14_desc = "Set Max. Option"
cheat14_code = "0045:02"
cheat14_enable = false

cheat15_desc = "Set Max ? (Shield)"
cheat15_code = "0046:02"
cheat15_enable = false

cheat16_desc = "More Score And Received More Lives"
cheat16_code = "PTYAGG"
cheat16_enable = false

cheat17_desc = "Invincibility"
cheat17_code = "GKSGTPSX+KKSGYOLP+XKSKAOOG"
cheat17_enable = false

cheat18_desc = "Shots Pierce Through Enemies"
cheat18_code = "AVUGYEOZ"
cheat18_enable = false

cheat19_desc = "Skip Title Scroll"
cheat19_code = "ZENEPEVY"
cheat19_enable = false

cheat20_desc = "Always Get Weapon Laser"
cheat20_code = "GEKEXPAA"
cheat20_enable = false

cheat21_desc = "Pause the game and press Up to acquire Missiles, 2 Options, and Force Field Barrier"
cheat21_code = "PAEOSUZA+SLOPSLVI"
cheat21_enable = false

cheat22_desc = "Always Have Laser Weapon"
cheat22_code = "XZKPNGVZ+PAKOEGGG+VAKOOGEY+GGKOXGPA"
cheat22_enable = false

cheat23_desc = "Always Have Double Weapon"
cheat23_code = "XZKPNGVZ+ZAKOEGGG+VAKOOGEY+GGKOXGPA"
cheat23_enable = false

cheat24_desc = "Infinite Force Field Barrier"
cheat24_code = "SXKGPPVG"
cheat24_enable = false