Information in the game database is updated periodically. Below, you'll find that information compiled as pertains to Yamasa. The company may be involved as a publisher, developer or both.
Yamasa Digi World 2: LCD Edition [January 24, 2002]
Yamasa Digi World 3 [July 25, 2002]
Yamasa Digi World 4 [February 20, 2003]
Yamasa Digi World: Collaboration SP Pachi-Slot Ridge Racer [June 5, 2008]
Yamasa Digi World SP [September 26, 2002]
Yamasa Digi World SP: Giant Pulsar [September 7, 2006]
Yamasa Digi World SP: Moe yo! Kung Fu Lady [April 27, 2006]
Yamasa Digi World SP: Neo Magic Pulsar XX [November 6, 2003]
Yamasa Digi World SP: Umi Ichiban R [May 1, 2003]
Anime Slot Revolution: Pachi-Slot Kidou Senshi Gundam II - Ai Senshi Hen [December 27, 2007]
Sugu Suro Duo: Universal R&V [January 13, 2009]
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.