<strongclass="important">How to play:</strong> Use your <strong>arrow keys</strong> to move the tiles. When two tiles with the same number touch, they <strong>merge into one!</strong>
},
</p>
'+/-':function(){
<hr>
if(this.result==0||isNaN(Number(this.result))){
<p>
return;
<strongclass="important">Note:</strong> This site is the official version of 2048. You can play it on your phone via <ahref="http://git.io/2048">http://git.io/2048.</a> All other apps or sites are derivatives or fakes, and should be used with caution.
Created by <ahref="http://gabrielecirulli.com"target="_blank">Gabriele Cirulli.</a> Based on <ahref="https://itunes.apple.com/us/app/1024!/id823499224"target="_blank">1024 by Veewo Studio</a> and conceptually similar to <ahref="http://asherv.com/threes/"target="_blank">Threes by Asher Vollmer.</a>