 Giants : Citizen Kabuto is a third @-@ person shooter video game with real @-@ time strategy elements . It was the first project for Planet Moon Studios , which consisted of former Shiny Entertainment employees who had worked on the game MDK . Giants went through four years of development before Interplay Entertainment published it on December 6 , 2000 , for Microsoft Windows . A Mac OS X port was published by MacPlay in 2001 and the game was also ported to the PlayStation 2 later that year . 
