SPOILER: There is a scene in the closing credits: A GUN crew, with Agent Stone listening in, discuss information about a secret operation, Project Shadow. Next seen is Shadow the Hedgehog as he awakens inside a capsule.
At the end of the closing credits is the title of Sonic the Hedgehog 3 (2024), and a statement: "Shadow will return"
The first part of the closing credits is a montage of scenes from the film rendered in video-game style.
The Original Film logo is shaded red against a blue background, the reverse of its appearance in Sonic the Hedgehog (2020).
The stars in the Paramount logo are replaced with Sonic's rings, and is accompanied by an orchestral version of the "Green Hill Zone" music from Sonic's video games.