You cleared Chapter 1.

Used rear attack feature in a mob battle.

You customized your ninja tools.

Got a ★x 5 Ninja Info Card.

Got A rank in The Nine Tails' Attack.

In any mode, blow your opponents save opportunity. Must be done against a CPU controlled team.

Win your first A-Spec event race.

Complete all Naval Missions aboard the Aquila.

Complete each of the epilogue missions unlocked after the credits roll.

Block a firing line 5 times by using a human shield.

Complete Sequence 12.

Complete Present - Abstergo.

Kill 15 guards with a single cannon shot.