Daikatana is a first-person shooter game developed by Ion Storm. It was published by Eidos Interactive for Windows and Kemco for Nintendo 64. Players control a swordsmaster who travels through various time periods using the eponymous Daikatana, a powerful sword tied to the fate of the world.

Ion Storm, L.P. was an American video game developer founded by John Romero and Tom Hall, both formerly of id Software. Despite an impressive pedigree and high expectations, the company only produced one commercial and critical success, 2000's Deus Ex.