Defeated the Shark Boss

Defeated the Bird Boss

Activate the Desert Ruin laser.

Kill 100 Red Dudes with a sawed-off shotgun.

Use Mind Wave for the first time.

Cut a few bullets in a row using a bladed weapon.

Dodge 4 bullets at the same time.

Complete the tutorial.

In IX, dismember 13 limbs in a single game while in The Pit

Get shocked while splashing water

Clear any level on hard difficulty and get at least 100 combo without any modifiers.

Clear any level with faster song speed modifier.