Resident Evil 2, known as Biohazard 2 (バイオハザード2 Baiohazādo Tsū?) in Japan, is a survival horror video game originally released for the PlayStation in 1998. Developed by Capcom as the second installment in the Resident Evil series, its story takes place two months after the events of the first game, Resident Evil. It is set in Raccoon City, a Midwestern American mountain community whose residents have been transformed into zombies by the t-Virus, a biological weapon developed by the pharmaceutical company Umbrella. In their escape from the city, the two protagonists, Leon S. Kennedy, and Claire Redfield encounter other survivors and are confronted by William Birkin, the mutated creator of the even more powerful G-virus, a variation of the T-Virus.