Fight the Swarm 1 (sp_Corridor)

We have, for your Doom III gaming enjoyment, the first of seven in the Fight the Swarm series by BanalityDUFF!
YAY YOU DOWNLOADED MY MAP. :P But cheers for doing so. ^_^. To play the game, just copy the sp_corridor.pk4 into your DOOM3/base/ folder. so like... C:/Program Files/DOOM 3/base/ PASTE HERE. XXD. then to play the map just boot up y