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Level Walk-Throughs

In a parallel story to the original Half-Life, Gearbox's expansion, Opposing Force, places you in the role of Corporal Adrian Shephard, a marine literally in the wrong place at the wrong time. After your chopper crashes just outside the Black Mesa facility, a scientist rescues your battered body and patches up your wounds. Your adventure begins as you search for a radio near the crash site to contact your comrades. Through the course of trying to find a way out, you'll battle aliens, fight Black Operatives, visit an alien world, defuse a bomb, and cleverly defeat two gigantic creatures.

This walk-through for Half-Life: Opposing Force takes you through each of the expansion's eleven levels. Follow the walk-through to learn how to solve each puzzle, how best to fight the tougher foes, and where to find health and armor power-ups.

Welcome to Black Mesa

Objective: After receiving medical attention, locate a weapon and find a way outside and to the radio located somewhere in the camp. Then, discover a way to the transit system to reach your comrades.

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Speak with the security officer, and he'll use the retinal scanner to provide access through the locked door.
Listen to the scientist attempting to revive the soldier. Continue to listen as he stands up and explains that you might find a radio up on the surface. It's a good plan. Search the room, but you'll find nothing of significance. Even the health machine isn't working properly. Head out the door. To the left you'll spot a door barricaded by a huge chunk of debris. Turn right until you reach an intersection. You can't get through the door that lies ahead, so turn to the left and spot the double doors. Head through and watch the scene of two scientists carrying a soldier on a stretcher. Take a left and go all the way down the hall, past the overturned table, into a room with two scientists. Listen to the first scientist, who's examining a headcrab inside a small cage. Approach the other scientist and grab the powered combat vest (PCV) resting here.

Return to the main hall and take the first left. Continue through the winding corridor until you spot a scene on your right. A zombified soldier attacks a poor scientist in a radiation suit. Watch the scene and look out for the zombie once he makes his way to your location. You don't have any weapons yet, so you simply need to avoid the beast by running around. Don't worry, the thing is incredibly slow and easily dodged. You can investigate the room with the CAT scan if you wish, but you'll find nothing of significance.

Head back to the main hall and turn right, continuing through the winding corridor. You'll make a few left and right turns and pass a deceased security officer in the middle of the floor. Turn and spot the staircase leading to the right. Watch the security officer take out the zombified scientist. Walk down the stairs, turn left, and speak with the security officer by using the "use" key. He'll comment on your PCV (if you don't have it, you'll need to return and retrieve it) and mention that he hopes your soldiers will come rescue the innocents left down in Black Mesa. After he finishes, he'll approach the retinal scanner by the door and let you through.

Next: Welcome to Black Mesa walk-through (cont.)


 

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Half-Life: Opposing Force
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GAME GUIDE

Detailed level walk-throughs

Complete descriptions of the weapons and enemies

A guide to every secret Xen location

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