2 betExchange. Can't find what you're looking for? Want to play against other players and set your own odds and limits? That's what Game2bet's Exchange is here for.What does ‘2+’ mean in betting? The ‘2+’ in sports betting is a type of wager that allows bettors to cover the spread. It is also referred to as a ‘plus-2’ or ‘plus-two’ bet. This type