In addition, as a 'thank you' to PC players, developer Rocksteady is creating a new 'Community Challenge Pack.' The contents of this pack were not disclosed, but Warner Bros. 'We are aiming to deliver all of the games by December.' 'We're actively working with our partners at Valve to make this happen as soon as we can, so watch your Steam Library,' Warner Bros. has announced that everyone who already bought Arkham Knight for PC or buys it before November 16 will get free copies of the games listed below. To mark the game's re-launch, Warner Bros. By clicking 'enter', you agree to GameSpot's