If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Zone of Destruction Zod
Mouse - Digging.
R - Restart.
In this game, your computer is the most important to you in life. Try to use it so that you can get further than anyone ever expected you to! Take a shovel and dig your way painlessly! The game is very challenging and if you dig wrong. you will have to start from the beginning, good luck!