if I bet on red and the green Monk is coming up, what will happen with my bet?
You will loss your bet, because the green Monk is a different outcome. There are 3 betting range in their roulette game. Those are red (1-7 number), black (8-14 number) and Green (Monk). In every round, one range will be chosen as the winner and other two will be losing bet.
Is it still valid because there are no bonuses in my account? Or I didn't understand how it works. Do I have to enter the bonus code in my account?
I don't know whether the bonus is still active or not. But I had taken the bonus in the early days. You have to use the bonus code on your account reward page to get the bonus. See the
bonus code here.