Here is the full list of all 31 DARK achievements.
Died during the Tutorial … that IS bad.
Finished DARK on “normal”.
Finished DARK on “hard”.
Finished DARK on “easy”.
Pursued Samantha.
Rescued Rose.
Learned all the powers and their upgrades.
Talked to Samantha at Headquarters
Rescued Tom.
Reached the ruins of Sanctuary
Earned ten experience rewards for completing areas without raising the alarm.
Completed a level without raising an alarm
Made it through the club area at the Atlantis
Distributed 20 Power points
Visited the Geoforge Parks
Vampiric Powers used 50 times
Used Shadow Leap 50 times
Found 7 PDAs
You met Blooming in the museum catacombs.
Distributed 10 Power points
Subdued 5 opponents and Fed on them
Experienced the game in Virtual Reality.
Killed 50 unaware opponents
Found the (not all that) secret announcement for a future project in the Tutorial.
Killed 50 opponents
Completed the Tutorial
You received your first blood – the first time is always something special …
Finished a challenge.
Finished a challenge in less than three minutes.
Finished a challenge without draining anyone.
Finished the Harding Museum in less than 20 minutes.