Rob "Doublez-Down" Collins is a mapper best known for his Unreal Tournament deathmatch levels and Unreal single-player levels.
- Return the Heart
- Gothic Resurrection
- Falcon Outpost
- Gothic Resurrection Special Edition
- The Fifth Vortex: Ehactora's Story
- De'Nasha Breeche Monastery
- Due to discoveries on the old Nali Chronicles website, it has been speculated on that this Doublez-Down made a map for the NC Mod, as a "Rob Collins" did work on it. His map was cut however,as he left the team during its production:
"Two of these applications have already been processed and I'm proud to announce that Rob Collins and Willis are now members of the Nali Chronicles team."
Pictures of the Map he had started making: