 In spite of the launch of the PlayStation and the Saturn , sales of 16 @-@ bit hardware / software continued to account for 64 % of the video game market in 1995 . Sega underestimated the continued popularity of the Genesis , and did not have the inventory to meet demand for the product . Sega was able to capture 43 % of the dollar share of the U.S. video game market and sell more than 2 million Genesis units in 1995 , but Kalinske estimated that " we could have sold another 300 @,@ 000 Genesis systems in the November / December timeframe . " Nakayama 's decision to focus on the Saturn over the Genesis , based on the systems ' relative performance in Japan , has been cited as the major contributing factor in this miscalculation . 
