The Flood (Halo) V.S. The Necromorph (Dead Space)

[Narh]

These guys win. Hands down.

 

[Boo-Yeah!!]

Predators win they have cloaky

 

[SingularPoint]

Flood.
An entire advance civilization had to build giant ring based worlds that would destroy all forms of life in the entire universe in case they are released.

 

[myusernameROCKS]

Basically what SingularPoint said blah blah blah wide out all life blah blah blah so i'd go with the flood on this one

 

[Liliana]

Flood.
An entire advance civilization had to build giant ring based worlds that would destroy all forms of life in the entire galaxy* in case they are released.

One little fact correction.