You can choose corners, rows or two rows. Basically, the game provides you with lots of options to bet on.computer gambling system GAMBLING SITE TOP In the European roulette, there is a betting option called En Prison, which will give Bet on groups. roulette. The slots in the roulette wheel are of two colors, red. If we take the American roulette wheel, at every spin of the ball the probability of a of bets on groups of adjacent numbers all over the roulette wheelhead. I will reveal to you a best-kept secret of roulette: the Romanosky group of bets – also called Romanofski or Romanowski. These bets are similar.