John Romero’s Daikatana is a first-person shooter video game developed by Ion Storm for Nintendo 64, Microsoft Windows and Game Boy Color. Daikatana is composed of 18 levels (24 in the Microsoft Windows version) divided into 4 episodes. The number of levels per episode varies; Episode 1 contains 4 levels (7 in the Microsoft Windows version), Episode 2 contains 4 levels (5 in the Microsoft Windows version), Episode 3 contains 4 levels (6 in the Microsoft Windows version) and Episode 4 contains 6 levels. Each episode represents a different location and time period: 25th century Japan in the year 2455 C.E., ancient Greece in the year 1200 B.C.E., the Dark Ages in Norway in the year 560 C.E., and near-future San Francisco in the year 2030 C.E.