Counterattack with a sub-weapon.

Combine two items together.

Open a dial safe.

Use Wooden Boards to board up a window.

Down 10 enemies

Down an enemy while you have less than 10% health

Down an enemy without taking return damage

Reached level 99.

Finish off an enemy with the knife.

Complete the "Mia" videotape without being spotted by Marguerite.

Use a lock pick to open something.

Escape from the guest house.