Unlock Apple Game Center achievements, by completing the following tasks.

Achievement	How to unlock
Ensi (Town King)	Find Ensi (Town King) treasure.
King of the Four Quarters	Find the King of the Four Quarters treasure.
Prison Escape	Complete all prison levels.
The Ancient Law-Giver	Find the Ancient Law-Giver treasure.
The Assyrian Warriors	Complete all the Assyrian Palace levels.
The Babylonian Princess	Complete all the Tower of Babylon levels.
The Gift List	Find the Gift List treasure.
The Goat	Find the Goat treasure.
The Holy Gardens	Complete all the Holy Gardens levels.
The Old Neighbourhood Level	Unlock The Old Neighbourhood Level by finishing the Endless Loop level with maximum number of points and lives.
The Peace Panel	Find The Peace Panel Treasure.
The People's Heroes	Complete all the Procession street levels.
The Square Temple Statue	Find the The Square Temple Statue treasure.
The Striding Lions Level	Unlock the Striding Lions bonus level by finishing the Ruined Palace level with maximum points in the shortest time possible.
The War Panel Treasure	Find the War Panel treasure.