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]
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[quote][b]Posted by:[/b] Kitten2012 @alex0612 I suggest you read the topic, and then respond to the debate instead of waiting for someone else to repeat the same thing they already posted.[/quote]I think Halo would because of the Forerunners and precursers alone. Added with the Flood, Covenant and Humans would be forced -blam!- smex.