- Unreal Development Kit (UDK) was an older free version of the engine.
- Unreal Engine Forums is the official Epic forum.
- Technical Talk: Unreal Engine is our Polycount Forum.
- Unreal Development Kit 4 is the latest version and is free with purchaseable extra content.
- official tutorials for UDK 4 by the Unreal Engine youtube channel
- for use with Blender
- UDK Camera Tutorial by Rogelio 'RogelioD' Delgado (backup copy)
- Attack The Horde Tutorial Series by Arran 'AzzaMat' Langmead