Mann Versus Machine (stylized often as MvM) is a vanilla game mode for Team Fortress 2. The mode is a 6 person (But can be up to 10 with a server mod) PvE battle against waves of robotic foes, spread out across a collection of maps and missions. It was first introduced in TF2 on August 15th, 2012 and in SCG, takes place exclusively on the Front Line Fudge server.