Fart on 3 Assassins using Fart Escape.

Make at least 4 enemies Vomit with no more than 1 second in between each.

Keep talking with the Headless.

Spend 5 minutes on the Black Market.

Increase the Rarity of 10 upgrades to Rare or better.

Defeat Liane at the church.

Defeat 10 enemies with weapon strikes from the air.

Hit 3 enemies in a single strike. (Ignored in introduction level.)

Successfully use a blade weapon's one-shot attack on an enemy. (Ignored in training mode.)

Reach a level score of 20 000.

Complete the Sanctuary's detective board.

Bare handed or with a weapon, standing up, against a wall, a ledge, or on the ground... Perform each takedown type at least once.