2. A matching piece cannot have other tiles covering it or touching on both left and right sides.

3. If it glows on mouse over, it is selectable.

4. Click on it to select it, it will turn green.

5. Find another of the same kind.

6. It too is selectable.

7. Click on it to select it.

8. A perfect match, the pieces disappear.

9. Find more matches until all your pieces are gone.