Darkwolf

Life finds a way

Cyber Tank

AZ-5

Stabilize the Nuclear Reactor.

3.6 Roentgen

Overload the Nuclear Reactor.

Sharp Tooth

Playing with Power

Enter the Power Plant.

Laboratory

Make it to the Sierra laboratory.

Openworld

Get to the surface of the Great Sitkin Island.

Allosaurus

Defeat an Allosaurus. (Single Player)

Hold on to your butts

Restore the sub-level power.

Titanoboa

Defeat Titanoboa. (Single Player)

Get to administration

You have escaped the lower sub-level of Sierra.

Walk around money

Long Grass

First Encounter

Meet Utahraptor. (Single Player)

Build your headlamp

Land of the blind no more!

Welcome to Sierra

Start your day at the Sierra Research Institute.

Making Friends

Get to know some of the scientist.

Judo-Chop!

Snap a neck.

Game over man!

Make a last stand with the other survivors.

Lizard-man

To Serve Man

Unleash bugs onto the soldiers.

Event Horizon

Find the gravity grenade, "Black Hole" gun.

Freak'in laser beams

Get the Focus Beam.

Only way to be sure

Hardcore

Beat the game on the hardest setting.

Super Hardcore

Beat the game on hard, and get an S rank.

Wave 10

Complete 10 Waves in multiplayer.

Wave 30

Complete 30 Waves in multiplayer.

Wave 50

Complete 50 Waves in multiplayer.

Collect secret file

Collect the red file from the enemy camp. (COOP Missions)

Golden Raptor

Hunt down the prized gold raptor. (COOP Missions)

Radio Star

Take down the radio towers to cut off the enemy. (COOP Missions)

Take out the VIP

Destroy the enemy convoy. (COOP Mission)

Eight Leg Freak

Defeat the Queen bug.