Berri was to appear as the secret antagonist in the cancelled video game sequel Conker's Other Bay Day. She would have tried to destroy Conker and the world as revenge for her demise in Conker's Bad Fur Day.
Sometime after Berri's body was sucked into space during the previous game, it would have been found by a passing alien craft and reconstructed to revived Berri as an evil cyborg with enhanced intelligence. Berri was told to go back to her home planet and help her fellow chipmunks, but instead she planned to get revenge against her former boyfriend Conker for what happened to her and destroy the world.
She rebuilt the weasel professor, Von Kriplespac, as a robot under her command so she could have him create a gigantic doomsday weapon called the DeathStarfish and a new batch of Tediz to serve as soldiers for their invasion. Meanwhile, Berri herself would monitor everything from her moon base while also plotting to transfer her mind into a fully organic Berri clone she made to get rid of her cybernetics.
Conker and his allies would have eventually fought Berri as the game's final boss and at some point she would proclaim herself to be the "Panther Queen".
Developer Rare Ltd originally planned to release Conker's Other Bad Day on the Nintendo GameCube as a sequel to Conker's Bad Fur Day. The game did not get very far into development, with much of the attention focused on making concepts and sketches. Microsoft eventually bought Rare Ltd and expressed no interest in continuing the game's development, cancelling the project.