Roulette, and Live Baccarat have a 10% game contribution percentage. . If on your first ever bet you place a 20 leg multi (or parlay for you americans) and it wins. It all depends on how you win the money really. It all depends on how you win the money really. When you register for an Account with us (“Account” is defined in Section below) and/or use or access any of the betting, gaming and/or gambling. When you register for an Account with us (“Account” is defined in Section below) and/or use or access any of the betting, gaming and/or gambling. Craps has the lowest wagering contribution at 5%. Casino > Casino Games. If on your first ever bet you place a 20 leg multi (or parlay for you americans) and it wins.