Complete the following tasks to unlock Apple Game Center achievements.

Achievement	How to unlock
Chronic Shuffler	Shuffle the board 10 times.
Decad	Earn ten 10-lettered words.
Gala Combo	Use the Gold, Green and Red tiles in one word.
Go Green	Create a word containing 2 Green tiles.
Gold Miner	Create 100 words containing a Gold tile.
Heptad	Earn seven 7-lettered words.
Hexad	Earn six 6-lettered words.
Nonad	Earn nine 9-lettered words.
Octuplet	Earn eight 8-lettered words.
Palindromist	Create a palindrome.
Sole Challenger	Send 100 challenges to unique friends and complete the game.
The Challenger	Send 100 challenges to friends and complete the game.
The Classic	Create 100 words in the Classic mode.
The Destroyer	Destroy four timed tiles in one word.
The Jackpot	Create a word containing 2 Gold tiles.
The Knocker	Destroy two timed tiles in one word.
The Timer	Create 100 words in the Timed mode.
The Tumbler	Create 100 words in the Tumbler mode.
Vowelless	Make 3 words without vowels.
Wild Carder	Create 10 words using the wild card.