Due to system errors, "Happy War" logged in to the Xbox One platform in advance.

Because of this error, when players play the Xbox 360 version of "Happy War", after many people play against each other, they will temporarily unable to play other many players against the game.

The developer of "Happy War" recently called on players on social networking sites not to install and run the leak version on the Xbox One, and said that the game will soon be released.

The problems on the Xbox 360 will also be corrected in the next upgrade package.