Monkey Island Trilogy Cheats

During the ship-to-ship combat sequence press Shift-J. Now during the swordfight with Rottingham Star Wars lightsaber sounds will replace the regular sword fighting sounds.

On hard mode, use the paste with the skeleton arm and then click in the top left hand corner. Guybrush will just walk out of the quicksand. You still need to exit the area by doing the regular vine puzzle though

When you are on Dinky Island, walk into the jungle. Then walk around the random areas. If you do this long enough (normally 4-6 times) without being taken out of the jungle, you will see a tree with a "Call Box" on it. Use the call box and guybrush will call the Lucas Arts help line.