Escape From Monkey Island cheats and cheat codes for Playstation 2

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.