The gameplay of Resident Evil 2 focuses on exploration, puzzle-solving, and combat and features typical survival horror elements such as limited saves and ammunition. 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. As they escape from the city, the two protagonists, Leon S. The city's residents have been transformed into zombies by the t-Virus, a biological weapon developed by the pharmaceutical company Umbrella. Developed by Capcom as the second installment in the Resident Evil series, the game's story takes place two months after the events of the first game, Resident Evil, and is set in Raccoon City, a Midwestern American mountain community. 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 that was originally released for the PlayStation in 1998. For other uses, see Resident Evil 2 (disambiguation). For the 2019 remake, see Resident Evil 2.