I agree with KJ6EAD. I find text messaging abbreviations tedious to read and often meaningless.
What have you done so far. Have you:-
Written out the game's rules and objective?
Decided what technology you have to use? ie. do you have to do a micro controller solution or a hardware solution? Or can you choose which?
How many rows and columns of LEDs are required? I did not count them while watching the you tube video, that is your job.
How is the first row set? I asume that one LED is chosen at random.
I also assume that the rows are driven by a timer.
What is the function of the buttons?
What increments the 2 digit display?
What increments the 1 digit display?
Have you drawn a flow chart of the logic?