Upgrade and then break one of every melee weapon

Leave Ellie hanging after a job well done

While in stealth, turn off the spotlight generator in Pittsburgh

Find a comic

Find one training manual

In Spaceland, Pack-A-Punch a weapon.

Score 10,000,000 points in Scale Racer

Clear 50 songs on Score Attack Easy, Medium, Hard or Master

Clear 30 songs on Score Attack Medium, Hard or Master

Achieve 100% Mastery on 10 songs

Clear 15 songs on Score Attack Master

Clear 20 songs on Score Attack Hard or Master