The New Windows Update (v1.4) of Asphalt Xtreme is here
Asphalt - Welcome to the official Facebook page of Asphalt 8: Airborne and Asphalt Xtreme! Play #AsphaltXtreme now: http://gmlft.co/Play_AXtreme | Facebook
So it turns out that Asphalt Xtreme was removed from Play Store months ago because they were transitioned the game from F2P into a fully premium game via Netflix Gaming subscription, 100%