It's a game that challenge you to guess numbers, this game have 2 parameters to clue you.
first parameter indicate how many numbers are correct
and second parameter indicate how many number that sequence is correct.
there are 4 levels,that are:
1. beginner (with 2 numbers)
2 medium (with 3 numbers)
3. pro (with 4 numbers)
4. genius. (with 5 numbers)