Challenging Dominoes Game. Play either " by Fives " OR play to " Go Out First ".Play against the KING if you think you can.1.) Defaults to Play to Go Out First. Tap " Play 5s " to play count Dominoes.2.) Tap START. Highest double will play First. If KING has highest double then you can go out even if holding DOUBLE BLANK.3.) Tap which of your Dominoes you want to play, then Tap one of the END POINTS (with KINGS icon).4.) You must play top and bottom before you can play the sides.5.) If DRAWING Bones they will overflow into your hold pile. Tap the ROTATE counter button to place them into your 7 Playables.