- Leaflet front is about the release of Sonic Lost World in Japan.
- Leaflet page 1 is about Sonic’s stuffed toys, keychains, straps, and the release of Sonic Lost World Original Soundtrack.
- Leaflet page 2 is about Sonic Carnival, and Sonic’s JP Store and attractions in Joypolis.
- Leaflet back is about Sonic Character Case Set and Sonic Character Earphone Set.
- Takashi Iizuka, the producer of this game, was featured on 4Gamer.net interview in Japanese about DLC stages’ development. [Translation]