Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Type
Aerodynamics (secret)	Air crit an enemy 5 times in a row	10
Anthropology (secret)	Defeat Sky Sniper Lelantos	25
Archaeology	Find your first stone	10
Astrobiology	Solve the Fifth Puzzle	25
Astronomy	Solve the First Puzzle	25
Audiology	Solve the Second Puzzle	25
Cryptography	Solve the Third Puzzle	25
Cynology (secret)	Unlock Cerby	10
Ecology (secret)	Find all stones in the Stygian Well	25
Economics	Unlock every piece of equipment	50
Exogeology (secret)	Find all stones in Tartarus	25
Felinology (secret)	Unlock Go-Cat	10
Geneology (secret)	Defeat Planetar Cronus	25
Genetics (secret)	I've always wanted a sibling	10
History (secret)	Find all stones in Atlantis	25
Kinesiology	Earn 1 Mastery level	10
Linguistics	Find and translate all stones in Thessaly	25
Metallurgy	Unlock your first piece of equipment	10
Morality (secret)	Defeat Titan King Prometheus	100
Myology	Reach Mastery level 5 on 1 item	25
Narratology (secret)	Solve 1 Computer	10
Neurology (secret)	The synopsis looks grim	5
Ontology	Solve the Last Puzzle	25
Pedagogy (secret)	Unlock every item in the Trophy Case	10
Philosophy (secret)	Enter the Cave	25
Physiology	Complete all class challenges	10
Psychology	Defeat Titan Wavebreaker Menoetius	25
Reflexology (secret)	Have 1 point in every skill for 1 character	10
Sociology (secret)	Defeat Land Fortress Coeus	25
Somatology	Solve the Fourth Puzzle	25
Technology (secret)	Find and translate all stones in Foloi Forest	25
Thanatology (secret)	Appease Ferryman Charon	25
Thegony (secret)	Destroy the World	50
Theology (secret)	Make a choice	10
Titanomachy (secret)	See the World	100
Twotanomachy (secret)	Complete the game on NG+	125