《Play U》是直播双向沟通的节目，在现实中的“map”里设定做任务的空间，要在限定时间内达成目标。观众成为“player”，实时向刘在石提供战略，一起解决问题，就像玩游戏角色一样，关注画面中的刘在石，帮助他完成任务。
遇播放卡顿或无法播放时，可切换线路播放
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