You are a brave caveman who lives alone in the mountain with active volcano on the island. Deflect stones spewing off from the volcanic eruption with your stick or they will eventually destroy your island.
Shoot, upgrade, conquer enemies, defeat bosses, acquire achievements, collect gems, all in an attempt to save yourself and your gun from the clutches of the evil Professor.
You're a scientific experiment gone wrong. You were created to be the ultimate female for man, but you have different ideas. You plan on killing all who stand in your way and ultimately kill the man who funded your project.
Nobody pays attention to a meteorite fall in the jungle and a few years later, military satellites discovered strange activity in the jungle. Your government sends elite commandos to find out what is going on and to try and clear up the situation..