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