This game was built using html, css, and jquery. Access the site here: https://wenzhaopan.github.io/Number-Memory-Game/
On this screen, the user can press any key (or click) to start the game.
Then, wait for the game to begin and light up a square (level 1) Press the square that lit up. If it turns green, you got it right. Otherwise, the game will end and you can press any key to restart.
As you progress, the sequences will get longer and longer. Good luck!