Puzzle20 Game

combine the tiles with numbers.
Combining the two tiles with the same numbers, you will receive a tile with the following order number. Develop your logical ability and intelligence in this game.
The aim of the game is get the tile with the number 20 by combining the tiles with same numbers starting from 5.
You must act quickly, because the time to complete the task is limited. If you are out of time or there is no available moves on the playing field, then the game is over.