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