Much alike the Universal arcade game Space Panic. You control a character with a shovel and dig pits in hope that the aliens chasing you fall into them. When they do you need to hit the alien with your shovel to kill it.

Much alike the Universal arcade game Space Panic. You control a character with a shovel and dig pits in hope that the aliens chasing you fall into them. When they do you need to hit the alien with your shovel to kill it.