This episode is currently extremely hard - nearly impossible to beat without boosters (or even with boosters). This is probably caused by a design error or glitch or a buffs or an episode which requires very - extreme insane luck to complete. This episode is currently one of the hardest, if not the hardest episode in the game. Please remove this template when the episode is nerfed or when you finish this episode.
Donut Disco is an extremely hard - nearly impossible episode, mean = 6.93. It contains two hard levels: 4009 and 4010, four very hard levels: 4001, 4006, 4007 and 4008, five extremely hard levels: 3997, 3998, 3999, 4002 and 4004, and two nearly impossible levels: 3996 and 4005. Overall, it is much harder than the previous episode, Woolly Workshop.
This is Princess's first appearance exclusive to HTML5 version.
This is the 14th HTML5-exclusive episode to use two words which have never been used before.
This is the first of three episodes released on 14 November 2018 on Windows 10. It's the second time when three episodes have been released at once on said platform. The other three episodes to be released simultaneously on Windows 10 were Lolli Lab, Brume Beach and Pastry Planets, all on 8 August 2018.
This episode breaks the trend of jelly-order mixed levels requiring an element that was previously only required in regular candy order levels.