8190-Numerical order app for iPhone and iPad

This is a puzzle game that tests brain power and analytical ability. The rules of the game are as follows: First, the system randomly generates four-digit answers. You need to enter four unique numbers between 1 and 9, and the corresponding result will be prompted.
A- indicates that the number and its position are correct;
B - means the number is correct but the position is incorrect;
There are 8 chances to guess the number by default in each round, and you can also set the chance to guess the number yourself.
Download now to exercise your brain.