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