Epic's Unreal Engine 4 Rivalry project shows what's now possible on mobile devices.
Houdini Engine for Autodesk Maya
SideFX have released Houdini Engine for Maya, with 3ds Max and Unreal versions coming soon.
Eat 3D - UnrealScript MasterClass - Part 3 - Re-creating Assault in UDK
Eat 3D have released their 3rd DVD in the UnrealScript Masterclass Series, focusing on re-creating Assault in UDK.
Super Mario Bros - Gulf of Mexico
Jonathan Fletcher has created an incredible reimagining of the famous Mario and Luigi video-game characters.