Guess the Number

This is a game for one player.
The goal is to guess a 4-digit number
in as few tries as possible.
The computer will tell you if your guess
is larger or smaller than the real number.
Suitable for all ages.
Takes about 5 minutes.
Available in English and Hebrew in the following formats:
Cellular phones:

screenshot

screenshot

screenshot

Cellular Messaging Services:

screenshot

screenshot

screenshot

B4U.com