Half-Life: Opposing Force Walkthrough Crush Depth

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.

Crush Depth

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 188
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 188

Use the elevator to go down.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 189
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 189

Enter the level B lab.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 190
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 190

A scientist has trapped himself underwater to escape some aliens.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 191
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 191

Kill the aliens and press the yellow button to teleport the scientist back.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 192
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 192

Press E for him to follow you.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 193
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 193

Go to the retinal scanner and he will open it for you.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 194
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 194

A bullsquid is in this corridor.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 195
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 195

This retinal scanner is broken and will not open the door. Instead go back to the corridor where you killed the bullsquid.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 196
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 196

Climb up the ladder that is in the middle aquarium.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 197
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 197

The vent space up here is crawling with fast aliens in the dark. Use your nightvision to spot them more easily.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 198
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 198

When you manage to kill all the aliens enter a smaller vent at the end.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 199
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 199

Drop down from the vent and enter the teleport on the right.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 200
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 200

Press the buttons and you will be teleported in a few seconds.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 201
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 201

Enter the next area through here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 202
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 202

Some alien zombies will attack you in this tight corridor.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 203
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 203

Enter another vent.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 204
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 204

Climb up the ladder.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 205
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 205

Some zombies roam around down here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 206
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 206

Go down this ladder.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 207
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 207

Turn the wheel to open the gate. This will release two marine aliens out in the open.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 208
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 208

Get back to the big aquarium. You will have to prepare to swim fast and enter the gate you opened with the wheel. The two aliens will be very hard to kill so it's best to try to avoid them.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 209
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 209

Go through here and don't look back.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 210
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 210

At the end you will find a valve that will close the gates before the aliens can come to you.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 211
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 211

Wait for the water to drain.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 212
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 212

An X-Ray is working here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 213
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 213

You can't pass before the X-Ray is disabled. Shoot the cracked box at the end of the corridor to turn the power off.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 214
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 214

Enter the airlock.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 215
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 215

Press the button to cycle the airlock.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 216
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 216

Jump in the teleport.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 217
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 217

Jump in the teleport you find in Xen.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 218
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 218

Cycle the airlock.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 219
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 219

Jump in the water here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 220
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 220

Swim through the broken glass.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 221
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 221

Swim up the drain.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 222
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 222

Continue through the corridor.

More Half-Life: Opposing Force Walkthroughs

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

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