Standard indoor walkthrough map with plenty of aliens, grunts, and crates.The map is two or more players Co-op but it can be played alone. How can I play this map with a friend?Just create a server with this map, then type in console:sv_lan 0 and restart the map with the restart command:restart Okay now your friends may join your server, now type this command:mp_allowmonsters 1 This will enable monsters in a multiplayer server. Restart again Enjoy!