There are important files in Mods and the regular WoP, which not many players know what they contain.
Regular WoP files Edit
wop_001.pk3 - contains scripts, weapon effects, loadingscreens and such.
wop_002.pk3 - contains the Weapon and Powerups models.
wop_003.pk3 - contains the default maps and their levelshots
wop_004.pk3 - contains sounds and music files
wop_005.pk3 - contains more scripts and textures
wop_006.pk3 - contains extra stuff (extra scripts, textures etc.)
wop_padpack.pk3 - contains the maps, textures and objects from the PadPack.
CTF files Edit
dtf_001.pk3 - contains all CTF map files, bot files and gametype files
X-Mas Mod files Edit
Xmas3.pk3 - contains all new texture and model files, along with the Freezetag gametype files
vm.pk3 - contains the external server commands, such as /Instagib and /NoPowerups