Circus is one of easiest 4-star level with new obstacles introduced such as clowns, horses, trick cups, spotlights, circus lights, and unicycles. It also includes hoops, and also a clownhead.
- The level is based on circuses.
- It was originally going to be a 3 star level, then it was confirmed as 4 star level.
- It is the only level to have Outside Circus.
- It includes the Quadruple Jump from Poker and Joker. This also appears in World Cup.
- This level has one of the easiest crowns.
- Although this will be a funny level, but also this level is the creepiest level in Rolling Sky. Depsite the fact that this level is not Halloween-themed level.
- This level's BGM has some referance of I'am So Classy from F777.
- Depsite being published as an easy 4 Star level,it is most unbalanced 4 Star level about difficulty.
- This level is one of four familiar level, who also took apperance in Level 31:Happy Birthday.
- This level and Clown Park result so hated by the players because They are very weird and also much creepy.