Boggle Find word Game using HTML5 Canvas


This is my very first attempt to make a game using HTML5 Canvas API. Please share in comments, your true score obtained in first attempt (I want to know scoring patterns). Also any feedback is appreciated (thoughts, error or even any praise ;-)
Works in Chrome and Firefox.

HOW TO PLAY?
Just like any other Find-A-Word game, You've to find words. Click and Drag to select "car" in proper order (selecting "rac" is invalid). Unlike other Find-A-Word games, You've to find the same word in the Grid. There are 19 occurrences of "car" in the grid.
Seconds Left:    CARs Left:


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