Full list of all 29 The Falconeer achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Destroyed 15 turrets in one mission
Bought all chants from the seachantresses
Retured to the scene of the Nodbomb blast
Purchased all 5 falcon types from races
Clocked the fastest time on all 5 racecourses
Clocked fastest time on a racecourse
Found both biochemists and the weapons trader
Discovered all the shrines and temples
Found all the fortified locations
Found all Imperial locations
Converted a fortified position for the Pirates
Filled all mutagen slots for your Falcon
Found all 3 seachantresses
Completed the Epilogue
Completed the Oberon's Reach chapter
Unlocked all permits in every campaign
Sunk 3 ships in one mission
Converted a fortified position for the Mancer Order
Found all Mancer locations
Completed the Shard chapter
Completed the Cleftspire chapter
Found all Civilian Free House locations
Took down 10 air targets in one mission
Completed the Dunkle chapter
Converted a fortified position for the Imperium
Took down 5 air targets in one mission
Bought a new type of weapon
Completed the Prologue
Discovered a shrine or a temple