LOS ANGELES - Nival, a global developer and publisher of social strategy games, is calling on gamers to invite their friends, then destroy them in King's Bounty: Legions. Nival announced the opening of its initial beta test for King's Bounty: Legions, a turn-based social strategy game playable on Facebook, via a limited number of invitations. Interested players can acquire an invite at popular gaming website Gamesradar or via invite from a Facebook friend who is already playing the game...