"Illusion" is the first level of its kind, as it can only be unlocked by completing 70% of Level 1. It was added to the game after Level 12: Ghost Dance and before Level 13: Deep Space. Its main theme is the Neon theme. The level made its debut on November 19, 2016. You can see how to complete Illusion with all gems here:
- The level picture in the Level Select Screen shows a little star saying "Bonus". This was removed after Hoop Dream was released.
- The level is claimed to be easier than Sky.
- Despite being called "Illusion," no actual illusions appear in the level.
- This is the 2nd and final 1 star level in the game, the other being Massif.