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