First Strike contains 5 incredibly diverse maps spanning the globe; featuring 4 new multiplayer maps and a new Zombie experience.

"Berlin Wall" features combat on both sides of the imposing wall; "Discovery" is a desolate, frozen German outpost in Antarctica; in "Kowloon", battle in the rain along the rooftops of a towering Chinese sprawl; "Stadium" is an intense locale with a pro hockey arena backdrop; and in "Ascension", fight zombies in a Soviet launch facility.