Half-Life: Opposing Force Walkthrough Worlds Collide

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.

Worlds Collide

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 370
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 370

The large storage area is dark and filled with black-ops. Prepare for a hard fight.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 371
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 371

You can use a machine gun against the black-ops at one point.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 372
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 372

Jump up the crates here to proceed.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 373
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 373

Wait for the crates to move so you can run in the first crevice on the left wall.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 374
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 374

Wait for your moment to run up forward.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 375
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 375

Use the lift.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 376
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 376

Jump up the crates here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 377
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 377

Jump from crate to crate. A big battle will rage below so try not to fall down.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 378
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 378

Jump to the crate.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 379
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 379

Drop down here. If you manage to make all your jumps correctly you should be able to avoid the big fight here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 380
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 380

Get inside here and the guard will close the gate.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 381
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 381

Pick up any ammo from the shelfs you need. The guard will tell you that there is something big below you have to fight.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 382
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 382

Use the lift to go down.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 383
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 383

Follow the lights.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 384
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 384

Open the door with the button.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 385
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 385

The big purple portal will summon the last boss. You have just a few minutes time to look around here and see what items you can pick.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 386
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 386

The barnacle gun will be valuable here.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 387
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 387

The blue pool can heal you by standing inside it.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 388
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 388

The boss will eventually come. Use the laser turret on this ledge to shoot its eye.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 389
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 389

A correct hit will close the monster's eye.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 390
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 390

Run to the left side of the ramp.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 391
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 391

Shoot the other eye as well.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 392
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 392

When you hit both eyes with the laser turrets a purple orb will be revealed in the center of the monster. Shoot it with explosives.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 393
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 393

When you shoot the purple orb you will have to repeat the process of shooting the eyes again.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 394
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 394

The ramp in the center will be destroyed eventually.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 395
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 395

You can use the rope to climb to the upper floor if you need.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 396
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 396

When you repeat the process of shooting the eyes and the purple orb three times, the boss will fade away back into the portal.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 397
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 397

The G-man will transport you on a military aircraft once the boss is defeated.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 398
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 398

He will tell you that Shephard must be detained to some safe place. Afterwards he will jump into a portal.

Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 399
Half-Life: Opposing Force Walkthrough - Half Life-Opposing-Force 399

The end.

More Half-Life: Opposing Force Walkthroughs

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

More From Port Forward

Thumbnail for Phantasy Star Online 2: New Genesis

How to Port Forward in Your Router for Phantasy Star Online 2: New Genesis

Help improve your connects in Phantasy Star Online 2: New Genesis by forwarding some ports in your router.

Read More
Thumbnail for Darkest Dungeon

Forward Ports on Your Router for Darkest Dungeon

You can help improve your online multiplayer connections in Darkest Dungeon by forwarding some ports in your router.

Read More
Thumbnail for For Honor

For Honor Port Forwarding

Help improve your online connections and make connecting with others easier in For Honor by forwarding some ports.

Read More
Thumbnail for Chicory: A Colorful Tale

Forwarding Ports for Chicory: A Colorful Tale on Your Router.

You can forward some ports in your router to help improve online connections for Chicory: A Colorful Tale.

Read More
Thumbnail for Wave Break

Create a Port Forward for Wave Break in your Router

Forwarding some ports for Wave Break can make it easier to play with others and help improve your connections.

Read More
Thumbnail for Knockout City

Forwarding Ports for Knockout City on Your Router.

Help improve your online connections in Knockout City and connect with more players by forwarding some ports.

Read More
Thumbnail for Dying Light 2: Stay Human

Port Forwarding for Dying Light 2: Stay Human

You can connect with friends more easily and help improve connections in Dying Light 2: Stay Human by forwarding some ports.

Read More
Thumbnail for Far Cry 6

Creating a Port Forward in Your Router for Far Cry 6

You can help improve your online experiences and more easily connect with others in Far Cry 6 by forwarding some ports.

Read More