Information in the game database is updated periodically. Below, you'll find that information compiled as pertains to Alfa System. The company may be involved as a publisher, developer or both.
Shikigami no Shiro II [March 25, 2004]
Tales of Innocence [December 6, 2007]
Tales of Phantasia: Narikiri Dungeon [November 10, 2000]
Shikigami no Shiro II [October 24, 2003]
Elemental Gearbolt [August 7, 1998]
Linda^3 [June 18, 1998]
Godzilla: Kaijuu Daikessen [December 9, 1994]
Dai Makai-Mura [July 27, 1990]
Adventure Quiz: Capcom World & Hatena no Daibouken [June 19, 1992]
Kiaidan 00 [October 23, 1992]
Monster Lair 
Shanghai II [April 13, 1990]
Castle of Shikigami III [May 13, 2008]
Castle Shikigami 3 [unknown]
There are numerous companies in the industry, and their names change like the weather. The information above is not particular about the finer details. Acquisitions are common, so companies with no recent listings may still be developing games under a new name. For example, DMA Design currently has a Rockstar name. Do you know of a title that is not listed above but should be? Be sure and let a staff member know. You can contact staff if you click here.