 It was shown to the public at the 1997 Tokyo Game Show, alongside "" and "Namco Museum Encore", stated to have been at roughly 50% completion.The game's animations were designed using motion-capture.The television commercial used to promote it featured former Japanese baseball pitcher Ken Ishikawa, who won first place in 1984 — it featured him rising from the depths of the ocean and throwing a slim pitch, which was made to convey the fun and excitement of the game at a "tremendous scale".