The Castles 2 Add-on for Pixel Puzzles Ultimate Jigsaw has 18 achievements.
Complete Pack: Castles 2
Complete Puzzle: Destroyed
Complete Puzzle: Dunrobin
Complete Puzzle: Forest Ruins
Complete Puzzle: Fort
Complete Puzzle: Haunted
Complete Puzzle: Honnef
Complete Puzzle: Lake Ruins
Complete Puzzle: Liechtenstein
Complete Puzzle: Moat
Complete Puzzle: Moritzburg
Complete Puzzle: Neuschwanstein
Complete Puzzle: Peniscola
Complete Puzzle: Sand Castle
Complete Puzzle: San Marino
Complete Puzzle: Sheep
Complete Puzzle: Turret
Complete Puzzle: Winter Castle