Extinction mode:
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Successfully complete Mission 1: Ghost Stories in Campaign mode on any
difficulty to unlock Extinction mode at the main menu. Alternately,
reach Level 5 in Multiplayer mode. In Extinction mode, four players
fight aliens in a post-apocalyptic world.
Ghillie suit:
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To unlock the Ghillie suit in Multiplayer mode, select „Weapon
Challenges” to see if the „Chrome Barrel Master” challenge is active. If
it says „Challenge Inactive”, go to „Operations”, and spend one Squad
Point to get new challenges. Repeat this process until the „Chrome
Barrel Master” challenge is active. Then, complete the „Chrome Barrel
Master” challenge to unlock the Ghillie suit.
Exploding alien dolls Easter Egg:
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Start Chapter 1: Point Of Contact in Extinction mode, and obtain the
sniper rifle. Find the „Gil’s Lodge Motel” neon sign in the first area
of the game. Use the sniper rifle to shoot the letters „L”, „O”, and „L”
(in order) in the word „Lodge” on that sign. If done correctly, the
message „LOL” will appear in the center of the screen. *Note: * This may
take a few attempts before it works correctly. Once the Easter Egg has
been activated, for a short period of time, any alien shot will explode
into golden stuffed alien dolls.
