Here is the full list of all 32 Swords & Crossbones: An Epic Pirate Story achievements.
Defeat Admiral Iron Jaw.
Defeat Susan James.
Defeat Olivia.
Defeat Josef.
Defeat Herman.
Defeat Fredo.
Defeat Eddie Vulcan.
Defeat Siegfried.
Defeat Carla.
Defeat Mortimer.
Defeat Duke A. Blizzardo.
Defeat Croakatoa.
Use your ship to find and land on the nearest island.
Visit all the islands in the archipelago.
Complete the main quest line.
Complete all the side quests.
Invest in tourism to get your first tourist to your island.
Invest in all possible islands to get tourists from them.
Rescue a pirate to join your crew.
Rescue all pirates and complete your crew.
Open a treasure chest and get what's inside.
Capture a monster and add it to your zoo or aquarium collection.
Knock out 20 soldiers of the Royal Navy.
Knock out 10 enemy pirates.
Knock out 50 enemy pirates.
Knock out 150 enemy pirates.
Knock out 10 land monsters.
Knock out 50 land monsters.
Knock out 150 land monsters.
Knock out 5 sea monsters.
Knock out 15 sea monsters.
Knock out 50 sea monsters.