Do not press any buttons during a game for over two seconds, then press Right(2), Up(2), Left, Down, Left, Down, X, Circle.

All items

Do not press any buttons during a game for over two seconds, then press Right, Up, Down, Left, R2, L2, L1.

Open exit doors

Do not press any buttons during a game for over two seconds, then press Right, Up, Right, Up, Select(2), Start(2).