GENERAL EDITING:
Architectonic: http://www.planetunreal.com/architectonic/
Deviant PC: http://www.deviantpc.com/articles/ut2003mapping/index.shtml
UDN: http://udn.epicgames.com/pub/Content/WebHome/
Unreal Wiki: http://wiki.beyondunreal.com/wiki
Leveldesigner.com: http://www.leveldesigner.com/
Unreal technology at 3D Buzz: http://sv1.3dbuzz.com/vbforum/unr_main.php
Digital Architect: http://www.master-builder.org.uk/the_GoaT/home.htm
Rachel 'Angel_Mapper' Cordone's beginner tutorial: http://www.unrealops.com/tutorials-uedintro1.htm
Various UEd1.0 and UEd2.0 sites: http://www.planetunreal.com/hosted/editing.shtml
ARTICLES:
The Art and Science of Level Design: http://www.cliffyb.com/art-sci-ld.html
Unreal Tournament level design musings: http://www.cliffyb.com/rants/ut-ld-tips.shtml
Nachimir's essays: http://www.planetunreal.com/fragadelic/nachimir/writings/index.html
AMATEUR MAPPERS TUTORIALS:
Fallonme's level design method: http://www.planetunreal.com/nucleus/FOM-LevelDesign.html
Lehmi's level design method: http://www.planetunreal.com/lehmi/stuff/wayom_tutorial.htm
Competitive Level Design Guide: http://www.promode.org/maps/guide/
DavidM's tutorials (gameplay, basic archi, lighting): http://www.planetunreal.com/teamvortex/davidm/
Hourences' tutorials (CTF gameplay, architecture, ambient sounds, vertex lighting): http://www.planetunreal.com/phalanx/Tutorials.htm
Bot_40's advanced archi: http://members.fortunecity.com/bot40/Tutorials/shapetut.htm
VARIOUS:
Pancho 'XceptOne' Eekels' Lightwave tut: http://www.lightwave3d.com/tutorials/modeling/UT2003/index.html
Bastian 'Checker' Frank's level editing section: http://www.checkerschapel.co.uk/
Cubemaps (by Slayweb): http://www.slayweb.com/tutorials/tut1.php
Angel_Mapper's specific tutorials (xEmitters, security cameras, warp zones,...): http://angelmapper.com/tutorials.htm
Projectors: http://www.unrealops.com/tutorials-projector.htm
Multiple skyboxes: http://www.unrealops.com/tutorials-multipleskies.htm/
Real-time reflections: http://www.unrealops.com/tutorials-reflection.htm
Static meshes - from 3DS Max 4.2 to UEd3.0: http://www.leveldesigner.com/index.php?action=doc&ID=162
Static meshes - from 3DS Max 5 to UEd3.0: http://www.leveldesigner.com/index.php?action=doc&ID=162
Ready to use prefabs: http://dynamic3.gamespy.com/~prefablab/main.shtml
Textures/skins/models: http://www.planetunreal.com/hosted/models.shtml
Realistic textures: http://www.newlogicmedia.com/subverse/
Advanced botpathing (by Blitz): http://www.leveldesigner.com/index.php?action=doc&ID=172
Coding/scripting: http://chimeric.beyondunreal.com/
UDN technical: http://udn.epicgames.com/pub/Technical/WebHome/
UDN Unreal Script Delegates: http://udn.epicgames.com/pub/Technical/UnrealScriptDelegates/
Architectonic: http://www.planetunreal.com/architectonic/
Deviant PC: http://www.deviantpc.com/articles/ut2003mapping/index.shtml
UDN: http://udn.epicgames.com/pub/Content/WebHome/
Unreal Wiki: http://wiki.beyondunreal.com/wiki
Leveldesigner.com: http://www.leveldesigner.com/
Unreal technology at 3D Buzz: http://sv1.3dbuzz.com/vbforum/unr_main.php
Digital Architect: http://www.master-builder.org.uk/the_GoaT/home.htm
Rachel 'Angel_Mapper' Cordone's beginner tutorial: http://www.unrealops.com/tutorials-uedintro1.htm
Various UEd1.0 and UEd2.0 sites: http://www.planetunreal.com/hosted/editing.shtml
ARTICLES:
The Art and Science of Level Design: http://www.cliffyb.com/art-sci-ld.html
Unreal Tournament level design musings: http://www.cliffyb.com/rants/ut-ld-tips.shtml
Nachimir's essays: http://www.planetunreal.com/fragadelic/nachimir/writings/index.html
AMATEUR MAPPERS TUTORIALS:
Fallonme's level design method: http://www.planetunreal.com/nucleus/FOM-LevelDesign.html
Lehmi's level design method: http://www.planetunreal.com/lehmi/stuff/wayom_tutorial.htm
Competitive Level Design Guide: http://www.promode.org/maps/guide/
DavidM's tutorials (gameplay, basic archi, lighting): http://www.planetunreal.com/teamvortex/davidm/
Hourences' tutorials (CTF gameplay, architecture, ambient sounds, vertex lighting): http://www.planetunreal.com/phalanx/Tutorials.htm
Bot_40's advanced archi: http://members.fortunecity.com/bot40/Tutorials/shapetut.htm
VARIOUS:
Pancho 'XceptOne' Eekels' Lightwave tut: http://www.lightwave3d.com/tutorials/modeling/UT2003/index.html
Bastian 'Checker' Frank's level editing section: http://www.checkerschapel.co.uk/
Cubemaps (by Slayweb): http://www.slayweb.com/tutorials/tut1.php
Angel_Mapper's specific tutorials (xEmitters, security cameras, warp zones,...): http://angelmapper.com/tutorials.htm
Projectors: http://www.unrealops.com/tutorials-projector.htm
Multiple skyboxes: http://www.unrealops.com/tutorials-multipleskies.htm/
Real-time reflections: http://www.unrealops.com/tutorials-reflection.htm
Static meshes - from 3DS Max 4.2 to UEd3.0: http://www.leveldesigner.com/index.php?action=doc&ID=162
Static meshes - from 3DS Max 5 to UEd3.0: http://www.leveldesigner.com/index.php?action=doc&ID=162
Ready to use prefabs: http://dynamic3.gamespy.com/~prefablab/main.shtml
Textures/skins/models: http://www.planetunreal.com/hosted/models.shtml
Realistic textures: http://www.newlogicmedia.com/subverse/
Advanced botpathing (by Blitz): http://www.leveldesigner.com/index.php?action=doc&ID=172
Coding/scripting: http://chimeric.beyondunreal.com/
UDN technical: http://udn.epicgames.com/pub/Technical/WebHome/
UDN Unreal Script Delegates: http://udn.epicgames.com/pub/Technical/UnrealScriptDelegates/