Doomed Speed Demos Archive
http://www.goodnet.com/~opulent/sda/doom_sda.htm
Pwad:      Invade1.wad
Pwad name: Invade1.wad
Maps:      E1M1
Skill:     4
Category:  Max 
Exe:       Doom1.exe
Time:      21:47
Author:    Mike Toliver
Email:     miketol@eureka.edu
HP:	   N/A
Comments:  I really like this map - it's an oldie but goodie.  So is invade2.wad, but I don't have a good demo of that one yet.