Butters and I have created a mutator that lets you play custom campaigns with any maps in Alienswarm. You can either select the predefined campaign (Upsilon
, using only custom maps) or create one yourself ingame!



Download here. (v1.5b)
Read the readme for info on how to use it and how to put it on servers.




Download here. (v1.5b)
Read the readme for info on how to use it and how to put it on servers.

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