Gain 1000 XP - Pause the game, hold L + R and enter YELLOW, GREEN, DOWN, GREEN

Earn level 2 skills - Pause the game, hold L + R and enter RED, GREEN, RED, YELLOW

Earn level 4 skills - Pause the game, hold L + R and enter UP, DOWN, BLUE, GREEN

Earn level 6 skills - Pause the game, hold L + R and enter DOWN, DOWN, UP, UP

Earn level 8 skills - Pause the game, hold L + R and enter RED, RED, YELLOW, YELLOW

Restore missiles - Pause the game, hold L + R and enter GREEN, GREEN, RED, GREEN

Earn three-hit combo - Pause the game, hold L + R and enter BLUE, GREEN, RED, BLUE

Earn four-hit combo - Pause the game, hold L + R and enter UP, DOWN, YELLOW, YELLOW