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To complete the level you must stack a pile of gems that are worth your target dollars. Every dollar over the target, at the end of the level you get as a bonus added to your score.
Pile them on top of each other to reach the height targat at the top.
Take as long as you want, but you only have a limited number of gems to use. The number of blocks you have left at the end of the level gets added as a bonus as well.
* GemStack is controlled via the mouse and keyboard
* Use the mouse to place and move around your gem.
* Click the left button on the mouse to drop/place the gem.
* Use the left or right arrow keys to rotate a gem.
* Press P to pause the game.
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