Escape From Monkey Island

Murrayball mini-game
Enter to the Palace Of Prostheses. Use the filing system, and type
the following code: "Monkey-Pumpkin-Bunny"
You will get the Ryan J. Danzwithwolves file. Examine the file,
pause the gameplay, then select the "Bonus Stuff" option to access
Murrayball mini-game. Note: You have to do this before looking for
the No-Nosed Man.

Unlock Monkey Invaders mini-game
Finish all Monkey Kombat moves in the moves table (press R2)
for each Monkey Stance

Reveal Monkey Kombat moves
Hold R2 during Monkey Kombat

Hidden epilogue sequence:
Finish the game and watch the entire credits. After, you will see a
hidden sequence.

Hidden items:
Ring the fire alarm in the school. Mrs. Rivers will run out.
Quickly go inside. Open the - treasure chest and pick up the items.
Mrs. Rivers will catch you and throw you out. Repeat until you can
get all the items.