I created 3 minigames to play during the nighs of the Global Game Jam. Using the plugin by OneMuppet Crowdgaming.
The first one is a memotest with a few twist based on the Sponsor Venecia IceCreams http://www.heroesestudios.com/venecia/
The second one is a conecting game where you have to build a Subway Sandwich and try to do it with less moves posible. http://www.heroesonlegends.com/subway-game/
Finally the crowdgaming competitive battleships, where players connect using smartphones or any pc with html5 in the same lan, they will see a joypad and it controls a ship in the mainscreen, they have to find powerups to get points and keep the highest score until the time ends. (this one i dont have an online version yet)
You can see the games in this video