Double the Numbers

In the game of Double the numbers, the player must collect identical numbers together to form a new number. The player must then collect the numbers again to find a match for the number formed and collect it with it. The numbers start with 2 and are then collected with their match to become 4 and so on.
The objective of the game is to slide numbered tiles on a grid to combine them to create a tile with the big number
This is a game that combines agility and concentration.
Control with the arrows or buttons as shown below.

up F or up arrow
down S or down arrow
left D or left arrow
right G or right arow