In Once Upon a Time slot, you will discover three main bonus rounds, namely:
- How She Loved the Knight
- Those Crazy Goblins
- Greedy Goblins Click Me
These rounds have different triggers. The first one is when you land the knight and princess symbols adjacent to each other along one of the rows; doing this will automatically give you an instant credit. The second bonus is activated when you get 3 tree house images on any betted payline; this will then give you instant credit plus 5 free spins which will be shown with the help of playful goblins. The last of the three bonuses will occur when you get to spin 3 sacks of gold on an active payline; you get instant credit plus the chance to get more by clicking on any of the icons. There are also other notable bonus rounds which increase chances of winning.