Many of the marine voice actors are from the popular YouTube channel Funhaus, including; Elyse Willems, James Willems, Adam Kovic, and Bruce Greene.
Dutch Shafer is playable DLC character in the game, Arnold Schwarzenegger reprises the role to provide the voice.
The radio communications voice actor is Scott Matthew Robison. Famously known as "Sark" from his YouTube channel "Mr. Sark", and his time spent working for Machinima.
The Ol' Painless minigun that Blain uses in Predator (1987) is a special weapon that the player can use.
Some of the dialogue said by the fire team are quote references to 1987's Predator. Some include: "You ain't got time to bleed, "Get to the chopper", "I need to learn to duck".