If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Destroy the aliens to recover your inmesurable beer barrel. Don’t let any survive, to achieve massive scores that will leave even the gods under you. Recieve gold at the end of your battles to obtain buffs at the shop that will make you stronger.
Spacebar – Attack
Up arrow – Jump
S – Use Rage Bar