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Gradius III and IV Cheats

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Older Cheats:

   (last update - Feb 16 2001)

In-game reset
Simultaneously push L1 + R1 + Start + Select. submitted by Killer Klown

Full double shot power-up
Pause during a game and press Up (x2), Down (x2), Left, Right, Left, Right, Square, Triangle. You can do this only a limited number of times per game.

Full/Quad laser shot power-up
Pause during a game and press Up (x2), Down (x2), Left, Right, Left, Right, X, Circle. You can do this only a limited number of times per game.
submitted by Tadd Soulspawn and F. Simper

Cube attack (Gradius 3)
Reach stage 9 in the game to unlock cube attack in extra mode.

First Gradius stage (Gradius 3)
Reach stage 10 and let the Boss hit you with a bullet to unlock the first Gradius stage in extra mode.

Extra edit mode (Gradius 3)
Complete or accumulate ten hours of game play in Gradius 3 to unlock an "Extra Edit" option in extra mode. This option allows weapon combinations to be edited. More weapons can be unlocked for editing by completing the game a second time, or by accumulating another ten hours of game play.

Boss rush mode (Gradius 4)
Complete the game to unlock boss rush mode.

Stage select (Gradius 4)
Complete the game without using any continues to unlock stage select.

Cheats

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Instant double shot power-up:
Pause the game play after passing the first Boss and press Up(2), Down(2), Left, Right, Left, Right, Square, Triangle. A sound will confirm correct code entry. Note: This may only be up to 25 times, equal to the number of levels that have been successfully completed. Note: To this power-up for player two, press Up(2), Down(2), Left, Right, Left, Right, Square, Triangle, Select, Start.

Instant laser shot power-up:
Pause game play after passing the first Boss and press Up(2), Down(2), Left, Right, Left, Right, X, Circle. A sound will confirm correct code entry. Note: This may only be done up to 25 times, equal to the number of levels that have been successfully completed. Note: To use this power-up for player two, press Up(2), Down(2), Left, Right, Left, Right, X, Circle, Select, Start.

Extra Edit mode:
Successfully complete or accumulate ten hours of game play in Gradius 3 to unlock an "Extra Edit" option. This option allows weapon combinations to be edited. More weapons can be unlocked for editing by completing the game a second time, or by accumulating another ten hours of game play.
Cube Attack mode:
Reach level 9 in Gradius 3 to unlock Cube Attack.
Original Gradius levels:
Intentionally allow a Boss in level 10 in Gradius 3 to hit you to unlock levels from the original Gradius. The original levels will also be unlocked in extra mode.
Boss Rush mode:
Successfully complete Gradius 4 to unlock Boss Rush mode.
Stage select:
Successfully complete Gradius 4 without using any continues to unlock the Stage Select option for that game.

Verified by: this cheat is unverified Submitted by: dark monk on January 05, 2003
(0.1023/d/web8)