Half-Life: Opposing Force Walkthrough Pit Worm's Nest

September 12, 2016 (Last Updated: ) | Reading Time: 3 minutes

This Half-Life: Opposing Force walkthrough is divided into 12 total pages.

You can jump to nearby pages of the game using the links above.

Pit Worm's Nest

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 261
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 261

Exit the sewage area.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 262
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 262

Use the red lever to open the door.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 263
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 263

Climb the ladder.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 264
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 264

Enter the waste processing area 3.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 265
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 265

The pit worm is blocking your way. It can shoot a laser from its eye. You can hide behind any solid object and it can't hit you. Shoot its eye to stun the creature temporarily.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 266
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 266

Run to the right side. You have to activate a machine to kill the creature.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 267
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 267

Go down here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 268
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 268

Enter a vent below the destroyed stairs.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 269
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 269

The controls for the toxic waste are in here. But you need to activate the valve and the gearbox first.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 270
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 270

Go through door with number 3.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 271
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 271

Go up a ladder.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 272

Press the lever to the steam vent.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 273

Go back and through the door with number 2.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 274

The dead soldiers will show you the way.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 275
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 275

Climb up the boxes to reach the other side.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 276

Jump over the green goo.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 277

Use the lift.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 278

A few aliens are in this room.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 279

Press the red button to activate the crusher.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 280
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 280

The crusher will reveal a vent grate once it destroys all the trash.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 281
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 281

Drop down the vent.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 282

Break through here.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 283

Cross the path.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 284

Press the red button to activate the gearbox pump.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 285
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 285

Go back to the place where you dropped down before. The water level will begin to rise. Just wait until you can exit through the vent above.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 286
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 286

Time to get back up.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 287
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 287

Use the barnacle to pull yourself to the pressure valve.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 288

Use the valve.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 289

Now you are ready to press the red button that will flush the toxic waste.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 290

The creature will die violently.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 291

Once the thing is dead press the bridge control button.

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Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 292

Cross over the bridge that just extended before you.

More Half-Life: Opposing Force Walkthroughs

This Half-Life: Opposing Force walkthrough is divided into 12 total pages.

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