Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Celebrated (Silver)	Collected all the medals.
Chain Gang (Bronze)	Killed 2 Malthusians within a timed chain attack.
Challenged (Silver)	Completed the Challenge Room.
Davy Jones' Locker (Bronze)	Neutralized 10 Malthusians in underwater combat.
Drowned (Bronze)	Drowned a Malthusian.
Honour (Bronze)	Collected 50% of the medals.
My Hero (Bronze)	Saved Chief Billingham.
Private Eye (Gold)	Collected all documents and objects.
Survivor (Silver)	Completed the game.
Swept Off Their Feet (Bronze)	Swept 3 Malthusians off their feet with water.
Tinker (Bronze)	Completed a hack.
Vengeance (Bronze)	Killed 5 Mathusians with fire or electricity.