Banjo-Kazooie: Grunty's Revenge

Two months have passed since Gruntilda fell from her tower, putting the events of the game before those of Banjo-Tooie in the timeline, and she is still trapped beneath the boulder. After trying to push the boulder off of herself, her loyal henchman Klungo decides that a different plan of action is required, so he builds a Gruntilda-shaped robot, the Mecha-Grunty, into which Gruntilda's spirit transfers. While her real body would still be stuck underground, she could now initiate a scheme of revenge against Banjo and Kazooie at will. Kidnapping Kazooie, she goes back in time (supposedly 20 years, although the actual amount of time is unknown)…