The Days of the Tsar slot machine also has a Gamble bonus game, which is triggered every time you spin a winning payline. When this happens, you can choose to click on the "Gamble" button. Then, you will choose either a color (red or black) or a suit (heart, diamond, spade, or club). You decide which one to choose. If you pick the correct color, your winnings are doubled, and if you pick the correct suit, your winnings are tripled. At this point, you can gamble again, or you can click on the "Collect" button to collect your winnings. The gamble limit is set at 5 gambles per winning spin.