ACHIEVEMENT - HOW TO UNLOCK Above and beyond - Get a gold rating on all optional levels. Altitude Sickness - Complete the second chapter. Because it's there - Get a gold rating on all chapter two story levels. Bless you! - Complete the third chapter. Conquistador - Complete the first chapter. Demolition - Defeat a Sentinel. Egyptologist - Collect a treasure score of 6000 on the level Tomb of Osiris. Eldorado - Get a gold rating on all chapter one story levels. Extracurricular Activity - Complete one of the optional levels. Golden Boy - Get a gold rating on 5 levels. Great Adventurer - Complete the fourth chapter. Hoarder - Collect a total value of 250.000 in treasures. Howard Carter - Get a gold rating on all chapter three story levels. I see fish people! - Meet the Agent. Iced out - Earn a treasure score of 8000 on any level. Innsmouth - Defeat an Agent. King of Bling - Earn a treasure score of 10000 on any level. Lost & Found - Get a gold rating on all chapter four story levels. Master Puzzler - Get a gold rating on all levels. Montgolfier - Defeat exocet. Puzzled? - Complete first puzzle.