A new leaked Xbox360 achievements list for NBA 2K15 has revealed apparently a new game mode for NBA 2K15 called “2K Heroes”, consisting of some type of tournament or playoff style format. Let the speculation and guesses begin! Could it be some type of legends mode, my player street tournament, or something else? Share in comments what you think it might be. The full NBA 2K15 Xbox 360 achievements list can be found here.