Here is the full list of all 24 Tempest: Pirate Action RPG achievements.
Witness 2 concurrent tornados.
Complete the tutorial.
Fire 50 single salvos from both the starboard-side and the port-side cannons.
Complete all 21 legends.
Get an Oscar in 3 categories. (3 Oscars in the hold).
Destroy 10 forts
Sell 1,000,000 piastres` worth of valuables.
Reach the maximum faction rating with the pirates.
Finish 25 enemies with a ram attack.
Win 10 boardings without taking any losses.
Earn the Poisonous Asp reputation.
Assemble a full 15-man crew.
Get sunk by the sea monster Leviathan 3 times.
Win 25 games online.
Face a developer online, or against 10 players who have this achievement.
Complete all Secret Land quests.
Complete the Emperor's Daughter legend.
Heal Basil
Let Krakens go without a fight.
Return the forged painting.
Kill the spawn of hell.
Keep the violin.
Cheat in the battle for the title.
Place Sun Wukong's Statue and Sun Wukong's Golden Staff at simultaneously.