Multiple meta values for one meta key

I have one meta key "game" containing this meta value "game 1, game 2".

I would like to display this meta value on my site like this:

<a href="http://ift.tt/1BXUba6">game 1</a>
<a href="http://ift.tt/1AHPDRp">game 2</a>

Thanks for your help.