You cleared Chapter 1.

Used rear attack feature in a mob battle.

Finished a match with Team Ultimate Jutsu.

Performed a 50-hit combo.

You cleared the prologue.

Got S rank in The Nine Tails' Attack.

Successfully performed a Secret Action.

Reach the Alien Machine.

Kill 30 enemies with explosion damage.

Kill a Soldier by TK'ing a grenade or rocket back at them.

Dismember 500 limbs from living enemies.

Defeat the Hive Mind.

Dissolve 50 enemies with acid.