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