 Since its release , Donkey Kong Jr . Math has received very negative reception ; Nintendo spokesman Tom Sarris commented that it was not well received , resulting in Nintendo ceasing development of educational games for the time . It was noted as one of the worst launch video games ever made by publications such as Electronic Gaming Monthly and 1UP.com. It has also received criticism from several publications including IGN , who called it one of the worst Virtual Console games . The game was the worst @-@ selling game in the NES 's launch library in the US . 
