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Mod Developer Home

Welcome to the Mod Developer section of UDN, with all the details you need to become an expert with the award-winning Unreal Technology.
If you are new to the site, please visit the Welcome page. Licensees may also wish to visit the Welcome (Licensees) page.
Once you are familiar with the site, stop by the Getting Started page to get started.

Here is where you'll find all the deep, detailed, interesting information on working with the engine in a technical fashion: from building your own game or mod, to networking or rendering specifications, as well as documentation on the practical, audio, visual and physical aspects of producing Unreal Engine 2 based mod content. Everything from level design to textures, music to modeling, will be covered here, in both practical, hands-on, how-to format, as well as in a more formal, comprehensive, reference format.

UDN is a Wiki, which means anyone can add or edit pages. We encourage you to join in the effort to make this site the best possible resource for Unreal Engine 2 mods. Learn more here.

Unreal Engine 2 (UT2003, UT2004)

Quick Links
Read These First
  - WhatToReadFirst

Hardware and Software
  - RecommendedHardware
  - RecommendedSoftware

Mods (UT2003, UT2004) (Topics)
  - Mod Author Community Portal
  - Improved Mod Support
  - Umod Installer
  - UnrealScript Source
  - Unreal Script Debug Packages
  - Unreal Development Environment (UDE)
  - UnrealScript Profiler
  - UnrealScript Debugger
  - Mod Authoring for Unreal Tournament (UT2003, UT2004)
  - Unreal Cache Lists Tutorial
  - Karma Example (UT2003)
  - Pushing Content (UT2003)
  - Navigation AI (UT2003)
  - Tweak Guide (UT2003)
  - Game Site
  - Forums

Support
  - UT2004Mods (mailing list)
  - UT2004Servers (mailing list)
  - UT2003Servers (mailing list)
  - UT2003Mods (mailing list)

Content Creation
Basics
  - IntroToUnrealEd
  - UnrealEdInterface
  - RotationGizmo
  - UnrealEdKeys
  - UnGlossary

Techniques
  - LevelTransitions
  - LevelPreviewTutorial
  - LevelOptimization
  - VertexBlendingTutorial
  - ExampleMaps

Tools
  - ModelingTOC
  - StaticMeshesFromMaya
  - ActorX
  - UmodWizard
  - CADtoUnreal

Primitives
  - BspBrushesTutorial
  - StaticMeshesTutorial
  - MoversTutorial
  - TerrainTutorial
  - VolumesTutorial
  - FluidSurfaceTutorial

Lighting and Textures
  - LightingBasics
  - TextureBrowserRef
  - MaterialTutorial
  - TextureSpecifications
  - TextureComparison

Effects
  - ProjectorsTOC
  - ParticleSystems
  - ExampleParticleSystems
  - EmittersReference

Animation
  - AnimNotifies
  - AnimBrowserTutorial
  - AnimBrowserReference

Physics
  - IntroToKarma
  - KarmaReference
  - SimpleSVehicleExamples
  - CollisionTutorial

Matinee
  - MatineeTutorial
  - MatineeExample
  - SampleMatineeTips

Scripted Sequences
  - ScriptedSequenceTutorial
  - ScriptedSequenceActions
  - AIControllers
  - NavigationAI

Technical and Programming
Code Drop
  - NewProjectPreparation

UnrealScript
  - UnrealScriptReference

Toolchain Support
  - ToolchainSupport
  - SlickEditMacros
  - VTuneUsage
  - UnrealDebugging
  - PerlUCCDepend

Topics
General Topics
  - AllTopics
  - GeneralTopics
  - GettingStartedTopics
  - SupportTopics
  - BizTopics?
  - LegalTopics?
  - 3DBuzzTopics?
  - MasteringUnrealTopics?
  - JapaneseTopics
  - ConsoleTopics
  - DeprecatedTopics
  - API Docs

Technical Topics
  - ToolchainSupportTopics?
  - TechnicalTopics
  - UnrealScriptTopics
  - NetworkingTopics
  - RenderingTopics
  - EngineTopics
  - EditorTopics?
  - GameplayTopics
  - Xbox360Topics?
  - PS3Topics?

Content Creation Topics
  - ContentCreationTopics
  - ArtTopics?
  - AnimationTopics
  - LevelEditingTopics
  - UnrealEdTopics
  - TerrainTopics
  - MaterialsTopics?
  - SkeletalMeshTopics?
  - StaticMeshTopics
  - PostProcesTopics?
  - PhysicsTopics
  - ParticleTopics
  - EmitterTopics
  - CinematicsTopics
  - ScriptingTopics
  - UserInterfaceTopics
  - AudioTopics
  - AITopics
  - SkeletalMeshTopics?
  - StaticMeshTopics

Unreal Engine 1 (Unreal Tournament)

Unreal Engine 1 is no longer supported; but some information may be relevant for development.

Developers
Mods (Unreal Tournament)
  - Mod Authoring for Unreal Tournament
  - The Dusty Tome of UnrealScript Black Magic
  - Replication De-Obfuscation
  - Native Functions
  - A Step-by-Step Guide to Native Functions
Technical and Content Creation
  - UnrealScript Language Reference
  - Unreal Classes
  - Unreal Packages
  - Unreal Networking Architecture
  - Unreal Audio Subsystem