from the article, one of the games is http://www.soakyourhead.com/dual-n-back.aspx http://www.soakyourhead.com/dual-n-back.aspx update: You need a speaker to

from the article, one of the games is http://www.soakyourhead.com/dual-n-back.aspx http://www.soakyourhead.com/dual-n-back.aspx update: You need a speaker to play should say "Press A when the box appears in the same location _since the start of the game_"