If you have not played LOL or DOTA1 or 2 or something along those lines you may like this one instead.
Today is beta key giveaway on twitter if you follow them.
via http://www.twitch.tv/esltv_ic
http://offerpop.com/infinitecrisis/435622
I will be trying it out while waiting on other games or breaks from eve online and gw2 :P