Happy Wars Trailer

It shows 15 vs. 15 online play and the 3 classes - the warrior, the mage and the cleric (1:19)
Toylogic has released a trailer for Happy Wars, a casual multiplayer action game in which a large number of players control comical characters in fun battles. Players can use any of 3 types of characters - warrior, mage, or cleric - in a variety of fantasy battlefields including grasslands, a dark world, and the ocean floor. You can cooperate with friends to enjoy action on a grand scale, casting magic spells, attacking castles, and so on. Happy Wars is expected for release by Microsoft Studios in 2012 on the Microsoft Xbox LIVE Arcade service.