Swipe to move all the tiles to the direction!
When tiles with similar number touch the merge to form a bigger number.
So your ultimate goal is to reach the total of 2048
1+1=2, 2+2=4 .....
There are many other modes in the game
Power of 3: where tiles with power of 3 merge
Fibonacci series
3x3 Board
4x4 Board
5x5 Board
Try it, you will like it.