If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Gangs of mutant zombies are coming to evade the human! You bravely come up to beat & kill those horrible zombies using beer bottles. Be quickly to burn them completely!
Mouse to aim at the zombies. Left button to throw the beer bottles while. Click the box beside to get as many beer bottles as you can.