Mil Factory is the second multiplayer map available in Metal Arms: Glitch in the System, requiring no secret chips. In Mil Factory there is one of each type of grunt except the laser grunt, each of which are shielded. The main room has the Green Grunt. The room in front of the Green Grunt houses the Red Grunt and the room to the left of the Green Grunt has the Black Grunt on the upper part. The Silver Grunt can be found by going through the tunnels from either the Black or Red Grunt rooms.