UNZIP all files to your duke3d directory and type YveSpace and press enter. 
That's it. Any existing files will be backed up, then restored when you 
exit Duke. YveSpace replaces Episode 1, maps 1, 2, 3, 4 and 5.


Duke Nukem 3D USERMAP info
==================================================================
Title                  : Space Story
Filename               : YveSpace.zip containing: YvesE1l1.map YvesE1l2.map
			                          YvesE1l3.map YvesE1l4.map
						  YvesE1l5.map YveSpace.con
						  YveSpace.bat YveSpave.txt
Author                 : Yves Bresson
Email Address          : yves.bresson@span.ch
Misc. Author Info      : 19 years old swiss student at the time (21 now)
Description            : The aliens are trying 2 invade the earth again...
			 Space Story is separated in 4 parts:
                            1: find the alien base on earth (hard level)
			    2: enter the alien space station (medium)
			    3: exit the alien space station and find the space
			       ship to land on the moon (medium)
			    4: enter the moonbase and destroy it (very easy)
			    5: ??? ( ? )

Additional Credits to   : 3DRealms for such a great game!!
Other levels I've made  : DukeCity.zip, a giant Downtown level with Coop and
				        Dukematch possibilities, separated in 3 maps.
			  Club97, QuakeYB, YveSpace, Crazy, Gizeh2P, Indy
			  
			  Shadow Warrior: 2 add-on episodes:
				The PARK Episode: www.wangsdojo.com/park
				When I Was Young: http://come.to/wiwy
==================================================================

* Play Information *

Episode and Level      : New space story
Single Player          : Yes, of course
Cooperative 2-8 Player : Sorry, no
Dukematch 2-8 Player   : Sorry, no
Difficulty Settings    : Not implemented, but I'm shure u'r very strong so u won't
			 have too much problems...
Monsters               : A single player level with no monsters would be less fun ;)
New Graphics           : No
New Music              : No
New Sound FX           : No
Demos Replaced         : Nope

* Construction *

Base                   : New level
Build time	       : 5 days
Editor(s) used         : BUILD editor
Known Bugs             : let me know if u find out some major bugs :)


** Copyright / Permissions **

You have the permission to change and edit the level if you want to. As 
long as you send in a copy of the edited level to the Author.

* Where to get this .MAP file *

	Where u got it !! ;)
        At the Mecca: http://meccaworld.com

* COMMAND LINES *
 
	To Play :  type YveSpace.bat


		DDDDDD	 	U      U	K     KK	EEEEEEEE
		D     D		U      U 	K   KK          E
        	D      D        U      U        KKKK            EEEE
		D     D 	U      U        K   KK          E
		DDDDDD           UUUUUU         K     KK        EEEEEEEE