There is EXACTLY ONE possible solution to each level that fits the rules:
"Break apart the level into sets of blocks connected by their faces. Each set must include the number of blocks shown on the numbered blocks. Each set must have exactly ONE numbered block. Different sets can touch along their edges but not along any faces"
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Break apart blocky structures into islands of the numbers indicated! The classic 2D 'Islands' game goes 3D! Each level has a single possible solution, so you must deduce which blocks can be broken at each step.
Note: If you see a black screen/ sever in-game slow down that means your browser is not supporting GPU usage. This is a 3D game, so your browser, flash player and computer must all allow GPU utilization.