Take our magic numbers, your own secret strategy... And you just might trick the computer! Can you "digit"? MINDREADER: Think you've got our number? "H" or "T" tell you whether you've guessed the right digit in the right place or the wrong place. Race the clock or play for points. NIM: Trap the computer in a binary bind, and you win every time! You and the computer take turns removing one or more units from each square. Last move wins.