01 Series

01 Series including301, 501, 701,901, 1101, 1501 games.
 

 
The game rule is same（The games follow the same rule）, only the starting score is different. To increase the level of difficulty of the game, you can select different modes, such as Bull On/Off, Open In/Open Out, Open In/Double Out, Double In/Open Out, Double In/Double Out, Master In/ Open Out, Master In/Master Out, Open In/ Master Out.
Game rule: We take 301 game as an example, starting at 301 points, total 10 rounds, the player reaches zero point firstly to win, negative score causes BUST which will clear your current round score. If any of players cannot reach zero, the player who gets the lower score wins.