About Gem Zones
The spatial puzzle game Gem Zones challenges you to correctly place shining gems on a grid using strict Sudoku rules. Place strictly one crystal in each row, column and selected colored area, not allowing them to touch even diagonally at the corners. Mark empty free cells with convenient crosses to clearly exclude options, use hints in difficult moments and go through levels of varying complexity and size. Show superior deduction and earn game points in Gem Zones.