Complete the indicated task to unlock the achievement.

Achievement	How to unlock
0x41	Solve 65 puzzles.
Baker's Dozen	Solve 13 puzzles.
Centuplicate IQ	Solve all 100 puzzles.
Epiphany	Solve your first puzzle.
Sightseer	View all the backgrounds at least once.
Starry-Eyed	View the credits.
Washington	Solve 25 puzzles.
XL-ence	Solve 40 puzzles.