Introduction: This is a puzzle game which challenges your memory. Two grids are composed of m shapes (rows) and n colors (columns). The left one is for play and the right one is for hint. You must click the cells of the left grid and turn them face up one by one. The next cell clicked must match shape or color with the previous cell clicked. If so, you can click another cell. If not, the unmatched cells will be turnt face down and you click over again.
Legend: 1. The left grid: black cell-unclicked, gray cell-clicked and unmatched, white background-current matched, gray background-unmatched, black background-matched. 2. The right grid: black background-unclicked, white background-current clicked, gray background-clicked and unmatched, black cell-matched.
Score: 1. Click the first cell and score 0 point. 2. Click the second cell which matches shape or color with the first cell and score 1 point. 3. Click the third cell which matches shape or color with the second cell and score 2 points. 3. Click the fourth cell which matches shape or color with the third cell and score 3 points. 4. And so on... 5. In single player mode, click a cell and score minus 1 point. 6. In single pla