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.
Won drinking duel mini-game 10 times
'The Split Soul' completed
Collected 20 legendary items
'The Journey to the Underworld' completed
'The Cunning Captain' completed
Won duel against Severin
'Build a Raft' completed
'The Gnome Eater' completed
Killed 10 giant crabs
'Steelbeard's Artefact' completed
'The Greedy Captain' completed
'Chaka Datu's Legacy' completed
'Garcia's Masquerade Uncovered' completed
At least 5 crew members on the ship
Collected 10 legendary items
'Ship's Equipment' completed
'Following Garcia's Trail' completed
'A New Ship' completed
'Free Hawkins' completed
'The Titan Weapon' completed
'Four Muskets against Crow' completed
'Become a Pirate' completed
Drank first rum
'Find Steelbeard' completed
Found first treasure in the game
Acquired 1000 gold
Killed 10 monsters
'Rescue Patty!' completed
'The Ancestors' Blessing' completed
'Defeat the Kraken' completed
'Kill Mara' 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 50 sea monsters
Killed 20 ambient animals
Killed 500 monsters
'The Marooned Sailor' completed
'The Air Temple' 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