The player has fully researched the Leadhead Splicer

The player has successfully invented at least one item

The player has acquired at least one weapon upgrade

The player has taken at least one Research Photo of a Splicer

The player has purchased one slot in any Plasmid or Tonic track

The player has successfully hacked a security camera

The player has successfully hacked a vending machine

The player has successfully hacked a security bot

The player has successfully completed the Welcome To Rapture Level

Achieve 10 Consecutive "Hearing the Music" Moves

Grind your first rail (not achievable in Tutorial)

Unlock all God of War® II Trophies

Max out all Weapons and Magic