Game Center achievements

Complete the following tasks to unlock Apple Game Center achievements.

Achievement How to unlock
Airplane Solve the puzzle shaped like an airplane.
Bat Solve the puzzle shaped like a bat.
Cactus Solve the puzzle shaped like a cactus.
Computer Solve the puzzle shaped like a computer.
Fish Solve the puzzle shaped like a fish.
Flag Solve the puzzle shaped like a flag.
Flower Solve the puzzle shaped like a flower.
Goat Solve the puzzle shaped like a goat.
Heart Solve the puzzle shaped like a heart.
Letter G Solve the puzzle shaped like the letter G.
Letter R Solve the puzzle shaped like the letter R.
Letter Z Solve the puzzle shaped like the letter Z.
Number 5 Solve the puzzle shaped like the number five.
Turtle Solve the puzzle shaped like a turtle.