Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Throw back a grenade and defeat two enemies at once

Defeat 100 enemies with headshots

Play in the swimming pool on the Cruise Ship

Defeat 20 enemies with gunfire by aiming while hanging

Find 20 treasures

Make five enemies drop their grenade by shooting them

Defeat 20 enemies with headshots

Find one treasure

Unlock the good ending.

Give Bertrand what he wants.

Collect all Dead drops.

Pick up all the blast shards scattered around New Marais.