Kill an enemy with Splatter Smash.

Complete Phase 6: Beast with a Human Heart.

Complete Heroes' Story while finishing every battle with BASARA/Ultimate BASARA Arts.

Complete Phase 4: The Meat Factory.

Launch an enemy straight up with "No Head Room".

Get 50 kills with non-fleshy weapons.

Unlock 5% of Dr. West's journal.

Kill an enemy with an enemy's arm.

Kill 6 enemies within one second.

Splat an enemy on a wall with a weapon.

Perform a Splatterkill.

Have "Sunglasses" equipped for a whole battle.