Zandronum is a free open-source advanced multiplayer sourceport capable of running various games such as Doom, Doom II, Final Doom, Heretic, Hexen, and as well as others online. It originated from Skulltag, which was based on ZDoom and its counterpart, GZDoom.
The 1.1 version of brutal Rescue! (Play with Brutal Doom v20)
Version Change (1.0 ---> 1,1)
-Added levels names:
MAP02 "The laboratory - Part 1"
MAP03 "Where the hell am I?"
MAP04 "The laboratory - Part 2"
MAP06 "The Showdown"
-All secret now are counted in "Secret %" at the level end
-Add small changes / bugfix in all the maps
-Add a new HUD
NOTE: You MUST play this mod with Brutal Doom, otherwise instead of the marine you will have the invisibility poweup