Full list of all 9 Secrets and Treasure: The Lost Cities (Windows) achievements worth 120 gamerscore.
The base game contains 5 achievements worth 50 Gamerscore, and there are 2 DLC packs containing 4 achievements worth 70 Gamerscore.
Complete your 4th Map!
Complete your 2nd Map!
Collect 50 Keys!
Upgrade a crew member for the first time.
Discover your 1st Map Piece.
Discover the Lost City in Location 2.
Enter a Daily Bonus with 5 shots saved up.
Collect 4 or more prizes in a single Daily Bonus challenge.
Complete the artefact in location 3.