Hard to tell.
Including Protheans and Forerunners
and Mass Relays and Rings (LOL)
Edit: Precursors too...
Edit 2: ALL OF THE STUFFS IN THE UNIVERSES EVEN TREES
[Edited on 03.25.2012 2:43 PM PDT]
-
[quote][b]Posted by:[/b] spirit of sand This isn't a difficult argument like the Warhammer vs Halo argument. That was a good argument.[/quote] Warhammer 40,000? How was that an argument? Halo wouldn't last ten seconds!