These are the little, busy worker types which transport oil to the power plant for processing. One comes free with your set-up power plant, but for more you'll have to wait for tech level 2. They’re unarmed – protect them!
Mobile Derrick | Dire Wolf | Pit Scorpion | Crinoid | War Mastodon | Bull Ant Tanker | Death Hippo | Missile Crab | Mega Beetle | Mobile Clan Hall | Demon
To learn about the other two armies, click on their icons at the top of the page.