Game Center CX: Arino no Chousenjou 2

Enter these codes at various points to unlock their effects.

Alternate ending:Clear the game without killing more than 13 enemies. (asteroids and bosses in the Asteroid Zone excluded)

In Guadia Quest Saga, once you've gotten to the bottom of the tower, go south as far as you can. Around there you should see a small town, enter it. If you go to the building with a bunch of ducks walking in it and choose to LOOK around the middle, a stairway will appear. Go down the stairs and talk to the man there. Talk to him and continually answer him with the first answer, and you will be taken to the credits of the game!

Enter these codes at various points to unlock their effects.

Once you have cleared the second Kachou wa Meitantei game, "kouhen", enter the following on the title screen to be able to play freely the boat chase part of the story mode. Note : Will NOT work if you haven't cleared the game.

On the "class" select screen, press the following:

In VS. RIVAL mode, press pause and enter the following

Clear VS Rival Mode in under 15 minutes without using any continues. After defeating Haggleman, you'll go on to an additional secret stage that pits you against Haggleman Lady!

Complete final challenge. The challenge where you beat all 9 main games. The sound test is the last option in the main menu.

At the very beginning of 1-1, run to the first enemy and ride it back to the sign at the beginning of the level. Jump in the air and off of the enemy you're riding, then attack the air as much as possible. If you hit the right area, a block will appear. Get on top of this block, then jump right and attack, and another block should appear. If you continue to attack to the right, higher and higher, you will eventually get to a small cove that contains a warp to 4-4!