The Shipwrecks Add-on for Pixel Puzzles Ultimate Jigsaw has 15 achievements.
Complete Pack: Shipwrecks
Complete Puzzle: Sunken
Complete Puzzle: Flooded
Complete Puzzle: Concordia
Complete Puzzle: Old Boats
Complete Puzzle: Washed Ashore
Complete Puzzle: Resurfaced
Complete Puzzle: Rusted Hull
Complete Puzzle: Stuck In The Ice
Complete Puzzle: Hull Split
Complete Puzzle: Bow
Complete Puzzle: Stranded
Complete Puzzle: Titanic
Complete Puzzle: Beach
Complete Puzzle: Boat nº352