Green Jean 2: Enter the Nega-Jean

Green Jean 2: Enter the Nega-Jean is a 1997 platforming game released for the SEGA Saturn. It was developed by Braintree Software and published by SEGA.

The game recieved mixed to unfavorable reviews.

Plot
A revitalized Dr. Unk takes over a plantation company and plans to cover Welcher City in a deadly fog. To make matters worse, Jean's rival Maya Cabocha gets exposed to the same radiation that afflicted Jean and she becomes a monster like her. Jean must stop Kelly and Dr. Unk.