Keroppi to Keroriinu no Splash Bomb!

Level 2 single player password:
Enter the password screen. Press Down and select the highlighted Japanese character. Right(6) and select the highlighted Japanese character. Left(6), Up and select the highlighted Japanese character. Press Right(3), Down(2) and select the highlighted Japanese character two times. Press Up(2), Left(3) and select the highlighted Japanese character. Press Right(4), Down(2) and select the highlighted Japanese character. Press Left(4), Down and select the highlighted Japanese character.

Level 2 two player password:
Enter the password screen. Press Down(2) and select the highlighted Japanese character. Press Left and select the highlighted Japanese character. Press Right(3), Up(2) and select the highlighted Japanese character. Press Up(2), Left and select the highlighted Japanese character. Press Up(2), Right(2) and select the highlighted Japanese character. Press Left and select the highlighted Japanese character two times. Press Right(2) and select the highlighted Japanese character.

Level 3 single player password:
Enter the password screen. Press Down and select the highlighted Japanese character. Press Right(4), Down and select the highlighted Japanese character. Press Up(2), Left(4) and select the highlighted Japanese character. Press Down(4) and select the highlighted Japanese character. Press Right(4), Up(2) and select the highlighted Japanese character. Press Left(4), Up(2) and select the highlighted Japanese character. Press Down(3) and select the highlighted Japanese character. Press Right(3), Up(2) and select the highlighted Japanese character.

Level 3 two player password:
Enter the password screen. Press Down(2) and select the highlighted Japanese character. Press Up(2), Right and select the highlighted Japanese character. Press Right and select the highlighted Japanese character. Press Left(2), Down(3) and select the highlighted Japanese character. Press Right(4), Up and select the highlighted Japanese character. Press Left(2) and select the highlighted Japanese character. Press Left(2), Down and select the highlighted Japanese character. Press Right(2), Up(2) and select the highlighted Japanese character.

Level 4 single player password:
Enter the password screen. Press Down and select the highlighted Japanese character. Press Right(4), Down and select the highlighted Japanese character. Press Left(4), Up(2) and select the highlighted Japanese character. Press Down(4) and select the highlighted Japanese character. Press Up and select the highlighted Japanese character. Press Up(3) and select the highlighted Japanese character. Press Down(3) and select the highlighted Japanese character. Press Right(2), Up(2) and select the highlighted Japanese character.

Level 4 two player password:
Enter the password screen. Press Down(2) and select the highlighted Japanese character. Press Down(2), Left 3) and select the highlighted Japanese character. Press Left(3), Down(2) and select the highlighted Japanese character. Press Up(2), Right and select the highlighted Japanese character. Press Left(3), Up and select the highlighted Japanese character. Press Right(2), Up and select the highlighted Japanese character two times. Press Up(2), Right 2) and select the highlighted Japanese character.