'Ohio' is a custom map that supports a maximum of 4 players and uses the Temperate terrain.

Pegasus Bridge Victory and Pegasus Bridge Stormy Night is included in this!

This is a survival map You have to hold out in an outpost for 10 minutes and then an airship comes to save you. This is my first Alien Swarm map I hope you like it. How to install: Extract the .vpk file to: C:\Program Files\Steam\steamapps\common\alien swarm\swarm\addons Edit: How to play custom maps: type "map survival_outpost_snow" for a singleplayer server in the console and it sh...

Here is a DM/TDM map loosely based on Basildon Hospital in Essex (as the name may suggest :P ) This map has power switches for the areas 'Maternity block', 'Accident & Emergency' and the lower levels. A flashlight is a must in this map to avoid disorientation, frustration and to avoid panic! some of these switches are harder to find than others! There are also plenty of Easter eggs and fu...