Win the game:
Hold [Alt]   W to win the game.
Hidden sequence:
Successfully complete the game and wait until all the credits complete to see an epilogue sequence.
Kill Guybrush:
In the Swamp in Lucre Island, when the other Guybrush gives you the gun, you can shoot him with it. The gun must be one of the first three things he gives you.
Murray Bites:
Change in the tent at the diving contest about 12 to 13 times in a row.
Monkey Kombat moves:
While you are on Monkey Island, you have to fight a monkey using Monkey Kombat to get his Bronze Hat. These are the moves you can use and how to use them, as well as which move to use. Note: AA: Anxious Ape; BB: Bobbing Baboon; CC: Charging Chimp; 
How to do a move
AA to BB or BB to AA: Ack, Eek, Chee 
AA to CC or CC to AA: Ack, Chee, Oop 
AA to GG or GG to AA: Ack, Oop, Chee 
AA to DM or DM to AA: Ack, Oop, Eek 
BB to DM or DM to BB: Ack, Chee, Eek 
BB to CC or CC to BB: Oop, Eek, Ack 
BB to GG or GG to BB: Oop, Ack, Chee 
CC to GG or GG to CC: Oop, Ack, Eek 
CC to DM or DM to CC: Oop, Chee, Eek 
GG to DM or DM to GG: Ack, Chee, Oop 
Which move beats another move
AA beats BB 
AA beats GG 
BB beats CC 
BB beats DM 
CC beats AA 
CC beats GG 
DM beats AA 
DM beats CC 
GG beats BB 
GG beats DM 
Frankenstein:
Talk to Deadeye Dave about free prosthetic parts until you get a butt, head, liver, foot, stomach, guts, heart, and skin. Combine everything but the skin to make Frankenstein.
Hidden items:
While at the school, ring the fire alarm. Mrs. Rivers will run out. Quickly run inside. Look at the treasure chest where you find the whistle. There will be more items inside. Grab one. Mrs. Rivers will catch you and throw you out. Repeat this to get eventually get everything but the wad of tobacco.
Crack the screen in Scumm bar:
After the dart players in the bar hit the balloon, talk to them again and tell them to hit the post on the right hand side of the screen. Talk to them again and tell them to hit “That guy over there”. They will throw the dart at the screen and it cracks.
Run easily:
To make Guybrush run without having to hold [Shift], press [Up]   [Forward] twice and hold it.
Play Pong with Murray:
Keep spinning the stool he is on; to do that try picking him up. When he starts repeating the same warnings to you, face Guybrush the other way and type murryball.
Murray’s head:
Type skull during game play and Murray’s head will appear with his laughter. Press U to remove the head.
Abomination at Myst ‘O’ Tyme Marshe:
Note: This will only work if you go to Deadeye Dave’s shop and get all the free prosthesis. Save the game before attempting this glitch. Go to the Myst ‘O’ Tyme Marshe. When you reach the gate for the first time after you have gotten the key and the other two items from him put all the prosthesis together and use it. Guybrush will say “it’s alive!” then the abomination will fly off screen and the game will freeze.
