Alien Campaign Mission 3 - Aliens vs. Predator Guide - IGN

You start off the level in range of two targets for infestation. All the targets here appear in pairs; if you fail to nab the correct one, or alert the second

Alien Campaign Mission 3 - Aliens vs. Predator Guide - IGN

Alien Campaign Mission 3 - Aliens vs. Predator Guide - IGN

Grim Reaper achievement in Aliens vs. Predator

Alien Campaign Mission 3 - Aliens vs. Predator Guide - IGN

Aliens vs. Predator: Extinction - IGN

Alien Campaign Mission 3 - Aliens vs. Predator Guide - IGN

Aliens vs. Predator - IGN

Aliens vs Predator I Like To Keep This Handy Achievement Guide

Aliens vs. Predator: Extinction [Walkthroughs] - IGN

Aliens vs. Predator - IGN

Predator Campaign Mission 3 - Aliens vs. Predator Guide - IGN

Marine Campaign Mission 3 - Aliens vs. Predator Guide - IGN

Predator Campaign Mission 6 - Aliens vs. Predator Guide - IGN