Speed Demon - Complete the game in under three hours.
Free Thinker - Beat the game using fewer than 10 hints.
Old School - Switch to classic mode at least once.
Five Minutes Later... - Allow Guybrush to die..
Turning the Lights Out - Complete the game using object highlighting five times or less..
Helium Inhaler - Make Guybrush inhale some helium.
Call 911 - Call the LucasArts helpdesk when walking through the jungle on Dinky Island.
Complete part one - Complete part one: The Largo Embargo.
Complete part two - Complete part two: Four Map Pieces.
Complete part three - Complete part three: LeChuck's Fortress.
Monkey Master - Beat the game without using a hint.
Complete part four - Complete part four: Dinky Island.