Monster Rancher

 (knwon as Monster Farm in Japan) a life simulation game developed and published by Tecmo on July 24, 1997 in Japan and on November 30, 1997 in North America for the Sony Playstation.

The game revolves around summoning monster by using random CDs. The result depends on the specific disc inserted into the console, and some of the monsters requires a specific CD to be summoned. Every monster has a species and a sub-category, all special monsters belong to the ??? sub-category.