Halo 3: Overkill, Steppin Razor, 2 for 1, Mongoose Mowdown Guide | Rooster Teeth

To prepare for the onslaught of new Halo Achievements, Gav takes a look back at some of the harder to get in the original bunch. Join FIRST to watch episodes early: http://bit.ly/2wf5zPJ » Get your Rooster Teeth merch: http://bit.ly/2uRi44x » Subscribe: http://bit.ly/13y3Gum About Achievement Guide: The Achievement Hunter Crew helps you get those achievements, one bleep bloop at a time. More Rooster Teeth: » Achievement Hunter: http://bit.ly/AHYTChannel » Let's Play: http://bit.ly/1BuRgl1 » Red vs. Blue: http://bit.ly/RvBChannel Halo 3: Overkill, Steppin Razor, 2 for 1, Mongoose Mowdown Guide | Rooster Teeth    / roosterteeth