If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
A group of Mammoths have been started and are heading downslope to the eskimo village. Help Eric the Eskimo defend his village by throwing snowballs at the raging mammoths. Hit mammoths with your snowballs to defend the village. Hit yellow mammoths for a bonus and increase your score.
Left / Right Arrow Keys - Move.
Spacebar - Throw.