The goal is to clear the board by removing all the matching identical pairs from the screen. A valid pair consists of two tiles which are both free and identical (or same type).
In more details, you can remove a pair of tiles with the following condition:
The tiles are identical (Ex: 2 and 2, West and West, etc.).
All of the seasons or flowers can be matched with each others, they don't have to be identical.
- No other tile is lying above or is partially covering it.
- No other tile is lying to the left or to the right of it.