Here is the full list of all 12 Pirate Pop Plus achievements.
Old wooden leg, one careful owner
Worn glasses, left lens is from milk bottle
Used treasure map with "X marked the spot"
Extremely aggressive (and sarcastic) parrot
Cannonball made from solid gold (yeah right!)
For the sailor who sees no evil
Delicately fragile golden bubble, looks expensive
Comical inflatable hook. Small hand grip inside
Severely worn and tattered pirate flag
Slightly dented spyglass, property of Bubble Pirate
"Property of Dave" embroidered on side
Rusty old key, opens Davy Jones' Locker