The Mutation mode is easily one of The Passing's selling points and we hope that these turn out to be legitimate variations that Valve puts into practice in the coming months. You start with temporary health that goes down fast. There are optional Jack-o-lanterns that the players can light, along with several new items to collect. It includes custom models, sounds, textures and scripting, including an all new enemy. Zombies go after the person carrying the gnome. The Seal of Asrahmat is a one-map Halloween campaign for Left 4 Dead 2, made by Imaculata. Gnome spawns at the beginning, you need to to make it through the levels.
The list and details from the Steam forums are as follows: The Mutation mode, which is a weekly changing DLC game mode, is currently playing the Realism Versus game type and is set to feature the already confirmed Chainsaw Massacre in the coming weeks, but a Steam forum goer by the name of Thegreenthing16 has uncovered a load more of names and details of possible upcoming Mutation game types. Those pesky code monkeys have been at it again, this time pilfering through the Left 4 Dead 2 Steam code of this week's The Passing downloadable content.