The latest Steam Sale brings with it some additional security requirements to make full use of certain community features. Back in 2012 Steam offered daily in-game challenges, alongside some tasks which werent game-centric. With the launch of Steams latest sale they appear to be bringing back an old favourite: rewards for keeping your account secure. Steam Guard is an additional level of security for your account which means if someone swipes your Steam login, theyd still need to be able to gain access from a trusted device of yours.”]