a simple game in javascript

Guidelines for game are: 1. interactive 2. significant use of javascript. 3. only plain javascript, no use of jquery or other libraries. 4. no blackjack, jumping, memory card flipping , rock paper-scissors, tic-tac-toe, snakes and simple math quizzes types games. design some another game. required only one html and one javascript file only. NOTE: this is a very simple project. check attachment for the modules you can use to design game in javascript.