505 Games U.S. and developer Artificial Mind and Movement (A2M) today unveiled Naughty Bear, a cheeky action videogame featuring a unique blend of comic mischief and astonishingly bad behaviour. Set to release in 2010 for Xbox 360 and PlayStation 3, players will take on the role of Naughty Bear, a bear driven to seek vengeance after the other bears don't invite him to the big birthday party.