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