Scare 20 students using a ghost character

The player has successfully hacked a turret

Defeat 100 Revenants in the main campaign.

Reach the max level in any skill.

The player has completed the game on the Hard difficulty setting

Complete the game on Hard difficulty without using a Vita-Chamber.

The player has completed the game without harvesting any Little Sisters

Purchased every slot in all four Plasmid and Tonic tracks

The player has successfully completed 50 hacks

While Berserk cyberware is active, perform a Superhero Landing to kill or incapacitate 2 enemies.

Unlock 15 astrariums in a single playthrough.

Travel at 125 mph.

Drive at least thirty different vehicles.