Mech Mules often accompany groups of Armacham Technology Corporation soldiers on patrols, as seen in the intro of Intervals 04 and 05. They are bipedal with large rectangular shaped heads and a mounted Gatling gun at the top. They are also armed with mortar launchers, however, only the Mech in Interval 04 uses these. The Mech Mule is fought in Intervals 02 and 04. A Mech Mule is also seen at the beginning of Interval 05, though this one is not fought.