The Pirates of the Flying Fortress Add-on for Two Worlds II has 9 achievements worth 215 gamerscore.
Slay the Bailiff and his minions
Kill the Basilisk
Finish the Lovers' Conspiracy storyline
Defeat Corr Amarok
Annihilate the Phobias
Complete Pirates of the Flying Fortress
Find your Treasure
Kill 100 enemies with crossbow (Single player campaign)
Reach 100 points of reputation amongst the pirates