Full list of all 49 Risen 2: Dark Waters achievements. It takes around 35-40 hours to unlock all of the achievements in the base game on Windows.
The base game contains 43 achievements, and there are 2 DLC packs containing 6 achievements.
'Defeat the Kraken' completed
'Kill Mara' completed
Won duel against Severin
Won drinking duel mini-game 10 times
Collected 20 legendary items
'The Split Soul' completed
'The Journey to the Underworld' completed
Drank first rum
'Steelbeard's Artefact' completed
'The Greedy Captain' completed
'Chaka Datu's Legacy' completed
'Garcia's Masquerade Uncovered' completed
'The Cunning Captain' completed
At least 5 crew members on the ship
'Build a Raft' completed
Killed 50 sea monsters
'The Gnome Eater' completed
Killed 20 ambient animals
'Ship's Equipment' completed
Collected 10 legendary items
'Following Garcia's Trail' completed
'A New Ship' completed
'The Titan Weapon' completed
'Four Muskets against Crow' completed
'Free Hawkins' completed
'Become a Pirate' completed
'Find Steelbeard' completed
Killed 10 giant crabs
Killed 10 monsters
Found first treasure in the game
Acquired 1000 gold
'Rescue Patty!' completed
'The Ancestors' Blessing' completed
Completed 250 quests
Learned each skill once
Travelled by ship 20 times
Used monkey 20 times
Picked 100 locks
Dug up 50 treasures
Acquired 100,000 gold
Acquired 300,000 gold
Killed 2000 monsters
Killed 500 monsters
'The Marooned Sailor' completed
Killed all gargoyles and gave their eggs to Eldric
'The Air Temple' completed
Opened every deadly chest once
Killed all alligators on Treasure Isle
Set course for Treasure Isle for the first time