The objective of the game is to swap one gem with an adjacent one to form a chain of three or more gems. When such a chain is created, the gems disappear, causing randomly generated gems to fall from the top to take the gem's place. Sometimes, falling gems automatically line up, causing chain reactions. This is called a cascade. There are several different modes of gameplay available.
- US January 29, 2009
- EU January 5, 2010
- JP N/A
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