This is a game of reasoning and logic in which you try to figure out the sequence of four digits of the number that your opponent has chosen.
You can play with a friend on the same computer or over the Internet through TCP/IP, or against your computer. There are four enemies whose talents range from newbie to expert.
This game determines a rating and different ranks for your performance over both one-player and Internet games. Other features include online chat, configurable quotes and funny player icons.