sentences:  An obstruction that can only be cleared by a sufficiently leveled Xardion forces the player to return to earlier levels in order to gain levels and develop special abilities.The game's main mecha designs were designed by Moriki Yasuhiro, who also worked on designing Zeorymer for the OAV Hades Project Zeorymer and Hajime Katoki, who did major designs of the Mobile Suits from the Gundam franchise.Animation studio Gainax also provided input on the game.