by High Score Entertainment, 1996
by NexTech Corporation, 1998
by Quintet Co., Ltd., 1998
by NexTech Corporation, 1995
by AM R&D Dept. #2, 1995
by SEGA-AM2 Co., LTD., 1998
by SEGA-AM2 Co., LTD., 1996
by CAVE Co., Ltd., 1997
by Reflections Interactive Limited, 1996
by Bell Corporation, 1995
by Genki Co., Ltd., 1995
by Funcom Dublin Ltd., 1997