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.
Collected 20 legendary items
Dug up 50 treasures
Travelled by ship 20 times
Used monkey 20 times
'The Ancestors' Blessing' completed
Picked 100 locks
Won drinking duel mini-game 10 times
Completed 250 quests
Learned each skill once
Acquired 100,000 gold
Acquired 300,000 gold
Killed 2000 monsters
Killed 500 monsters
Killed 50 sea monsters
'Kill Mara' completed
'Defeat the Kraken' completed
'The Split Soul' completed
'The Journey to the Underworld' completed
'Steelbeard's Artefact' completed
'The Greedy Captain' completed
'Chaka Datu's Legacy' completed
At least 5 crew members on the ship
'Garcia's Masquerade Uncovered' completed
'The Gnome Eater' completed
'Build a Raft' completed
'The Cunning Captain' completed
Collected 10 legendary items
Killed 10 giant crabs
'Ship's Equipment' completed
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
Found first treasure in the game
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
Killed all alligators on Treasure Isle
Opened every deadly chest once
Set course for Treasure Isle for the first time