Kaena was only ever given a limited Japanese release back in 2004
Rediscovering 'Kaena': The Lost English Version of a PS2 Classic
Overview
The lost English version of the PS2 game Kaena has resurfaced 20 years after it was originally shelved. Robin Davies, a video game collector, shared his find online.
Background
Original Concept: The game was initially conceptualized by French computer graphics artist Chris Delaporte in the mid-90s and evolved into a cross-media project.
Film Release: In 2003, Namco produced a CG-animated film featuring an impressive English voice cast including Kirsten Dunst, Anjelica Huston, Keith David, Tara Strong, John DiMaggio, and Richard Harris (in his final role).
Game Development: The game was in development for the PS2 but saw limited Japanese release in 2004. Its English version was never released.
Resurfacing of the Game
A collector named Robin Davies has discovered a debug copy of an English version dated from 2003 and shared it on Twitter.