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