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. . Craps has the lowest wagering contribution at 5%. It all depends on how you win the money really. Casino > Casino Games. 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. 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.