Gradius III (USA)

Infinite Konami Code Use

Starting Weapon Modifier

Infinite Mega-Crush Until You Get Another Orb

Invincibility

Enable Arcade Option

Main Weapon

Missiles For Ship Configuration 1

Missiles For Ship Configuration 2

Missiles For Ship Configuration 3

Missiles For Ship Configuration 4

Speed Level

Infinite Lives

Infinite Continues

Always Have Forcefield/Invincible

Fully Charged E-Laser : Ship

Fully Charged E-Laser : Option 1

Fully Charged E-Laser : Option 2

Fully Charged E-Laser : Option 3

Fully Charged E-Laser : Option 4

Enemies Die Automatically

Invincibility

Set Score To 99 Million [Player 1]

Set Score To 99 Million [Player 2]

Set Mega Crush

Set Max. Speed

Set Support Upgrade Modifier

Set Gun Upgrade Modifier

Stage "Area" Select

Destroy Most Bosses With 1 Hit

Start with 1 life instead of 3

Start with 2 lives

Start with 4 lives

Start with 5 lives

Start with 9 lives

Start with 16 lives

Start with 31 lives

Infinite lives

Start with 1 credit instead of 4 [1-player game only]

Start with 2 credits

Start with 6 credits

Start with 7 credits

Start with 8 credits

Start with 9 credits

Infinite credits

Makes Earwig Scorpion [Stage 1 mayor] much easier to defeat

Makes Bubble Brain [Stage 2 mayor] easier to defeat

Weapons status gauge remains at current level after a weapon is selected

Enemies shoot at you more

Main Weapon

Missiles For Ship Configuration 1

Missiles For Ship Configuration 2

Missiles For Ship Configuration 3

Missiles For Ship Configuration 4

Speed Level

In Game Event Modifier

Hit Anywhere Both Players

Keep Missiles After Death

Keep Speed After Death

Keep Guns After Death

Menu Modifier

Select Weapon Slot

Enemies Don’t Spawn

Main Gun

Missle

Laser

Pause the game and press Up to acquire Speedup, Missiles, 4 Options, and Full Shield/Force Field - Both Players

Enable Start with 30 Lives Cheat - Both Players

Press X on Controller 1 at the Title Screen to Increase your Credits up to a max of 9

Press X at Weapon Select Edit Mode Screen for Random Weapon Select - Both Players

Enable Arcade Difficulty in Options Menu - Both Players

Pause the game and press A to acquire Speedup, Missiles, 4 Options, and Full Shield/Force Field - Both Players

Enable Start with 30 Lives Cheat - Both Players

Press X on Controller 1 at the Title Screen to Increase your Credits up to a max of 9

Press Y at Weapon Select Edit Mode Screen for Random Weapon Select - Both Players

P1 Enable Arcade Difficulty in Options Menu

P2 Enable Arcade Difficulty in Options Menu

P1 Infinite Lives

P2 Infinite Lives

Infinite Lives - Both Players

Weapons status gauge remains at current level after a weapon is selected

Infinite Shield

Infinite Force Field