Hyper punch mode

Hold L1 + R1 and press Left, Right, Circle, Up, Circle, Right, Left at the title screen. You will see a message if you have entered the code correctly

Bottomless canteen mode

Hold L1 + R1 and press Left, Square, Circle, Down, Square, X, Square, Circle at the title screen. You will see a message if you have entered the code correctly. Your canteen will now have an unlimited amount.

Play as Nicole

Hold L + R and press Left, Up, Down, Up, Circle, Up(2) at the title screen. You will see a message if you have entered the code correctly.

Classic Pitfall mini-game

Hold L1 + R1 and press Circle(2), Left, Right, Circle, Square, X, Up, Circle at the title screen. You will see a message if you have entered the code correctly. The "Original Pitfall" option will be unlocked at the "New Game/Load Game" screen.

Classic Pitfall 2: Lost Caverns mini-game

Hold L1 + R1 and press Left, Right, Left, Right, Triangle(3) at the title screen. You will see a message if you have entered the code correctly. The "Lost Caverns" option will be unlocked at the "New Game/Load Game" screen. Alternately, buy all items from the Shamans and collect all Idols.