Fallout Shelter
... that Fallout Shelter became the most popular free iOS application in the US and UK within a day of its release?
... that <i id="mwCoM"><b id="mwCoQ"><a class="mw-redirect" href="./Fallout_Shelter_(video_game)" id="mwCoU" rel="mw:WikiLink" title="Fallout Shelter (video game)">Fallout Shelter</a></b></i> became the most popular free <a href="./IOS" id="mwCoY" rel="mw:WikiLink" title="IOS">iOS</a> application in the US and UK within a day of its release?