X-Perts is a spin-off of the Eternal Champions series. The game's plot is based on an alternate timeline, in which the assassin Shadow Yamoto, wasn't killed by the Black Orchid in 1993. She formed an anti-corruption group, the X-Perts, in revenge for an attempt on her life. Meanwhile, a group of terrorists took over an underwater research lab called AQUA, threatening to detonate a device that will destroy the entire Earth... (mobygames)