TV Animation X - Unmei No Tatakai

X: Unmei no Tatakai is an 3D fighting game that features a story mode, set in the television series continuity, and a versus mode, which allows players to compete against each other using any of the Dragons of Heaven or Earth. The game was not released outside Japan and it has two different endings.

X is Clamp's foray into apocalyptic fiction. It combines elements from various end of the world scenarios, both secular and religious, with its own mythos. The story takes place at the end of days, in the year 1999.