Reunited with your original Little Sister.

Gained access to Lamb's stronghold.

Cause chaos for the first time.

Spent 2000 dollars at Vending Machines.

Uncovered the secret of Dionysus Park.

Played at least one non-private match on each multiplayer map.

Kill Hercules

Became a Big Daddy for the first time in a non-private match.

Took down your first Big Daddy in a non-private match.

Kill Hermes and acquire his Boots

Cover Kratos in 500 buckets of blood by killing the enemies

Kill Hades

Upgrade any weapon to the next level