Half-Life Walkthrough Surface Tension

September 12, 2016 (Last Updated: ) | Reading Time: 10 minutes

This Half-Life walkthrough is divided into 18 total pages.

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

Surface Tension

Half-Life Walkthrough - Half Life 425
Half-Life Walkthrough - Half Life 425

After a short fight with some soldiers you can find some medkits and ammo up ahead.

Half-Life Walkthrough - Half Life 426
Half-Life Walkthrough - Half Life 426

You will end up on top of dam. A helicopter will be patrolling this area and the end of the road will be guarded by a cannon. No other choice but to jump down the water on the right.

Half-Life Walkthrough - Half Life 427
Half-Life Walkthrough - Half Life 427

Wait for the chopper to turn around and then climb up the ladder.

Half-Life Walkthrough - Half Life 428
Half-Life Walkthrough - Half Life 428

Press the button to stop the turbine below.

Half-Life Walkthrough - Half Life 429
Half-Life Walkthrough - Half Life 429

Drop back in the water and you will find a valve at the bottom. Use it to open the turbine grate and pass through there. You might have to kill the alien swimming around in here first.

Half-Life Walkthrough - Half Life 430
Half-Life Walkthrough - Half Life 430

When you exit the turbine path you will be on the other side of the dam.

Half-Life Walkthrough - Half Life 431
Half-Life Walkthrough - Half Life 431

Climb up the ladder and enter the vent.

Half-Life Walkthrough - Half Life 432
Half-Life Walkthrough - Half Life 432

Climb up another ladder then go left.

Half-Life Walkthrough - Half Life 433
Half-Life Walkthrough - Half Life 433

Go up one more ladder.

Half-Life Walkthrough - Half Life 434
Half-Life Walkthrough - Half Life 434

When you reach the sandy area go between some rocks.

Half-Life Walkthrough - Half Life 435
Half-Life Walkthrough - Half Life 435

Go towards the tower. Be prepared to face some soldiers. Try to avoid open spaces because the chopper will still be patrolling around here.

Half-Life Walkthrough - Half Life 436
Half-Life Walkthrough - Half Life 436

Inside the tower is the storm drain hatch valve.

Half-Life Walkthrough - Half Life 437
Half-Life Walkthrough - Half Life 437

Some medkits are nearby if you need them but watch out for the trip mine.

Half-Life Walkthrough - Half Life 438
Half-Life Walkthrough - Half Life 438

Go between some rocks near the medkits to reach an area with a tentacle alien. The alien is guarding some stuff. You can take them if you grenade him.

Half-Life Walkthrough - Half Life 439
Half-Life Walkthrough - Half Life 439

Go under the rocks right from the alien to continue.

Half-Life Walkthrough - Half Life 440
Half-Life Walkthrough - Half Life 440

Next area is mined. Avoid walking on sand. You can blow up the mines with grenades if you wish to do so.

Half-Life Walkthrough - Half Life 441
Half-Life Walkthrough - Half Life 441

You need to jump from a small rock over the fence to reach the storm drain hatch.

Half-Life Walkthrough - Half Life 442
Half-Life Walkthrough - Half Life 442

Continue through the drain.

Half-Life Walkthrough - Half Life 443
Half-Life Walkthrough - Half Life 443

When you exit the drain you will see a fighter jet.

Half-Life Walkthrough - Half Life 444
Half-Life Walkthrough - Half Life 444

Jump down the rocks.

Half-Life Walkthrough - Half Life 445
Half-Life Walkthrough - Half Life 445

Continue along the ledge then go down the concrete structure.

Half-Life Walkthrough - Half Life 446
Half-Life Walkthrough - Half Life 446

Go to your right.

Half-Life Walkthrough - Half Life 447
Half-Life Walkthrough - Half Life 447

Get inside the storage room under the cliffs.

Half-Life Walkthrough - Half Life 448
Half-Life Walkthrough - Half Life 448

You will find a rocket launcher inside.

Half-Life Walkthrough - Half Life 449
Half-Life Walkthrough - Half Life 449

When you exit the storage the chopper will come for one final showdown. Use your guided rockets for easy hits.

Half-Life Walkthrough - Half Life 450
Half-Life Walkthrough - Half Life 450

Go up a ladder.

Half-Life Walkthrough - Half Life 451
Half-Life Walkthrough - Half Life 451

Climb up some rocks.

Half-Life Walkthrough - Half Life 452
Half-Life Walkthrough - Half Life 452

And climb one smaller ladder.

Half-Life Walkthrough - Half Life 453
Half-Life Walkthrough - Half Life 453

Enter the drain canal.

Half-Life Walkthrough - Half Life 454
Half-Life Walkthrough - Half Life 454

Stay low in the canals for now. You will hear the soldiers up above.

Half-Life Walkthrough - Half Life 455
Half-Life Walkthrough - Half Life 455

If you climb up at the wrong place you will face not only a full squad of soldiers but even a tank. It will be very hard to survive.

Half-Life Walkthrough - Half Life 456
Half-Life Walkthrough - Half Life 456

Instead go inside a drain pipe to go around the soldiers.

Half-Life Walkthrough - Half Life 457
Half-Life Walkthrough - Half Life 457

Climb up a small ladder.

Half-Life Walkthrough - Half Life 458
Half-Life Walkthrough - Half Life 458

You will end up behind the tank and the soldiers. Time to fight back.

Half-Life Walkthrough - Half Life 459
Half-Life Walkthrough - Half Life 459

Take some rockets from the supplies near the tank. Then use your rocket launcher to destroy the tank so you can move freely. For some reason the tank can't turn his turret so you will be safe if you stay on his side.

Half-Life Walkthrough - Half Life 460
Half-Life Walkthrough - Half Life 460

Press the button in the booth to open the nearby gate.

Half-Life Walkthrough - Half Life 461
Half-Life Walkthrough - Half Life 461

The next path is guarded by an APC with rockets. Use your rocket launcher once again to clear the way.

Half-Life Walkthrough - Half Life 462
Half-Life Walkthrough - Half Life 462

If you are in need of more ammo and health jump over the hole on the right and face some soldiers. Otherwise continue down the path the APC was blocking.

Half-Life Walkthrough - Half Life 463
Half-Life Walkthrough - Half Life 463

Enter the big gate.

Half-Life Walkthrough - Half Life 464
Half-Life Walkthrough - Half Life 464

The floating alien will drop down some enemies.

Half-Life Walkthrough - Half Life 465
Half-Life Walkthrough - Half Life 465

Go around the building on the right.

Half-Life Walkthrough - Half Life 466
Half-Life Walkthrough - Half Life 466

Dodge some tripmines.

Half-Life Walkthrough - Half Life 467
Half-Life Walkthrough - Half Life 467

This open area is covered by a sniper.

Half-Life Walkthrough - Half Life 468
Half-Life Walkthrough - Half Life 468

Look up to your right and you will see the sniper nest.

Half-Life Walkthrough - Half Life 469
Half-Life Walkthrough - Half Life 469

The end of the area is mined. You will have to clear your way with explosives.

Half-Life Walkthrough - Half Life 470
Half-Life Walkthrough - Half Life 470

Crouch under the fence. Beware another sniper nest that is above behind you.

Half-Life Walkthrough - Half Life 471
Half-Life Walkthrough - Half Life 471

You need to blow up the transformers to cut the power.

Half-Life Walkthrough - Half Life 472
Half-Life Walkthrough - Half Life 472

Climb up the fallen tower.

Half-Life Walkthrough - Half Life 473
Half-Life Walkthrough - Half Life 473

Drop down the hole.

Half-Life Walkthrough - Half Life 474
Half-Life Walkthrough - Half Life 474

The facility is trip mined to the brim. Do not attempt to blow up any of the mines inside here. It will trigger a chain reaction that will kill you instantly.

Half-Life Walkthrough - Half Life 475
Half-Life Walkthrough - Half Life 475

Jump up the rail to go over this laser.

Half-Life Walkthrough - Half Life 476
Half-Life Walkthrough - Half Life 476

Get through the door.

Half-Life Walkthrough - Half Life 477
Half-Life Walkthrough - Half Life 477

Jump over the crates.

Half-Life Walkthrough - Half Life 478
Half-Life Walkthrough - Half Life 478

When you drop down move between two crates.

Half-Life Walkthrough - Half Life 479
Half-Life Walkthrough - Half Life 479

Break through the center of this crate. Be careful not to destroy the sides. Only break the cracked part.

Half-Life Walkthrough - Half Life 480
Half-Life Walkthrough - Half Life 480

Break the crate on this lift then go left.

Half-Life Walkthrough - Half Life 481
Half-Life Walkthrough - Half Life 481

Go under the laser.

Half-Life Walkthrough - Half Life 482
Half-Life Walkthrough - Half Life 482

Jump over this laser and use the button to raise the lift.

Half-Life Walkthrough - Half Life 483
Half-Life Walkthrough - Half Life 483

Stand on the lift and jump over the lasers to land on the lower lift.

Half-Life Walkthrough - Half Life 484
Half-Life Walkthrough - Half Life 484

Use the lift to go down.

Half-Life Walkthrough - Half Life 485
Half-Life Walkthrough - Half Life 485

Get the alien gun from the ground. It has unlimited ammo but replenishes at a slow rate.

Half-Life Walkthrough - Half Life 486
Half-Life Walkthrough - Half Life 486

Go down the corridor, beware a turret on the back of the truck.

Half-Life Walkthrough - Half Life 487
Half-Life Walkthrough - Half Life 487

Go outside.

Half-Life Walkthrough - Half Life 488
Half-Life Walkthrough - Half Life 488

When you destroy an APC go around the building from the left side.

Half-Life Walkthrough - Half Life 489
Half-Life Walkthrough - Half Life 489

Watch out for a sniper nest.

Half-Life Walkthrough - Half Life 490
Half-Life Walkthrough - Half Life 490

Go inside this building. It seems like the soldiers have taken it as a base.

Half-Life Walkthrough - Half Life 491
Half-Life Walkthrough - Half Life 491

Go up the stairs.

Half-Life Walkthrough - Half Life 492
Half-Life Walkthrough - Half Life 492

You will find a storage room. Only the guard can open it for you.

Half-Life Walkthrough - Half Life 493
Half-Life Walkthrough - Half Life 493

Grab all you can carry from here.

Half-Life Walkthrough - Half Life 494
Half-Life Walkthrough - Half Life 494

Go outside this window and walk on the ledge.

Half-Life Walkthrough - Half Life 495
Half-Life Walkthrough - Half Life 495

Jump to the other transformer and then jump on the ladder. It can be tricky.

Half-Life Walkthrough - Half Life 496
Half-Life Walkthrough - Half Life 496

Climb up the ladder to the top.

Half-Life Walkthrough - Half Life 497
Half-Life Walkthrough - Half Life 497

Jump on the crumbled piece in the center. Then jump to the doorway.

Half-Life Walkthrough - Half Life 498
Half-Life Walkthrough - Half Life 498

This area will become a warzone very soon.

Half-Life Walkthrough - Half Life 499
Half-Life Walkthrough - Half Life 499

The soldiers will drop down constantly here.

Half-Life Walkthrough - Half Life 500
Half-Life Walkthrough - Half Life 500

Go through the gate on the right when you have the chance.

Half-Life Walkthrough - Half Life 501
Half-Life Walkthrough - Half Life 501

Fight off the grunts and move forward.

Half-Life Walkthrough - Half Life 502
Half-Life Walkthrough - Half Life 502

Jump up the green crates.

Half-Life Walkthrough - Half Life 503
Half-Life Walkthrough - Half Life 503

Use the cannon up here. Point it towards the big gate to the left and fire to break it open.

Half-Life Walkthrough - Half Life 504
Half-Life Walkthrough - Half Life 504

The big explosion is your confirmation for a successful hit.

Half-Life Walkthrough - Half Life 505
Half-Life Walkthrough - Half Life 505

Get inside the next area.

Half-Life Walkthrough - Half Life 506
Half-Life Walkthrough - Half Life 506

Next corridor will have a machine gun for you. Get on it and kill the spawning enemies.

Half-Life Walkthrough - Half Life 507
Half-Life Walkthrough - Half Life 507

You will see an alien bloat that acts as a jump pad. Just walk over it to jump up to the upper floor.

Half-Life Walkthrough - Half Life 508
Half-Life Walkthrough - Half Life 508

Jump down here and enter the vent on the right.

Half-Life Walkthrough - Half Life 509
Half-Life Walkthrough - Half Life 509

The small area in the vent ahead will spawn some of the jumping flea aliens called snarks. Grab ammo for them from there.

Half-Life Walkthrough - Half Life 510
Half-Life Walkthrough - Half Life 510

When you try to move forward in the vent the soldiers will hear you and shoot the vent down.

Half-Life Walkthrough - Half Life 511
Half-Life Walkthrough - Half Life 511

Try to go outside.

Half-Life Walkthrough - Half Life 512
Half-Life Walkthrough - Half Life 512

Back up as the soldiers try to blow up the entrance.

Half-Life Walkthrough - Half Life 513
Half-Life Walkthrough - Half Life 513

The soldiers will destroy part of the wall. Use the car lift to get outside through the hole.

Half-Life Walkthrough - Half Life 514
Half-Life Walkthrough - Half Life 514

Use the cannon to make your own way forward.

Half-Life Walkthrough - Half Life 515
Half-Life Walkthrough - Half Life 515

Enter the gate you blew up.

Half-Life Walkthrough - Half Life 516
Half-Life Walkthrough - Half Life 516

Some aliens are battling it out with the soldiers.

Half-Life Walkthrough - Half Life 517
Half-Life Walkthrough - Half Life 517

Continue along the upper path and jump when needed.

Half-Life Walkthrough - Half Life 518
Half-Life Walkthrough - Half Life 518

Jump down here to go outside.

Half-Life Walkthrough - Half Life 519
Half-Life Walkthrough - Half Life 519

Use the jump pad to reach the roof of the nearby building.

Half-Life Walkthrough - Half Life 520
Half-Life Walkthrough - Half Life 520

Go down the vent.

Half-Life Walkthrough - Half Life 521
Half-Life Walkthrough - Half Life 521

Enter a pipe.

Half-Life Walkthrough - Half Life 522
Half-Life Walkthrough - Half Life 522

The soldiers are expecting you. One of them will throw a satchel charge inside. The explosion will slowly move towards you. You have to back out of the pipe fast.

Half-Life Walkthrough - Half Life 523
Half-Life Walkthrough - Half Life 523

Hide under the water to avoid damage from the fire. When the fire stops you can enter the pipe again.

Half-Life Walkthrough - Half Life 524
Half-Life Walkthrough - Half Life 524

A soldier is swarmed by some headcrabs here. Go left without going down. img(237088); Open the pipe by turning the valve. img(237089); A door is locked here. img(237090); Go up the stairs. img(237091); You will find a guard in hiding. Get him to follow you. img(237092); Go down the stairs and he will open the door for you. img(237093); Go outside and enter the booth that is near the jump pad. The guard will let you in the next area. img(237094); The parking is occupied by a gargantua. Now is a good time to run in the opposite direction of this tunnel. img(237095); When you exit the tunnel use the jump pad to go over the wall. img(237096); Climb up the container with water and reach the big silo up the pipe. img(237097); You can call in mortar strikes with this device. Use the leftmost lever to move the target up and down. Use the rightmost lever to move the target left and right. Press the button in the middle to fire. img(237098); You can get rid of the garg easily this way. img(237099); Fire on the gates to open your way forward. img(237100); Fire down on the tower in front of you to bring it down. img(237101); Destroy the wall next to the tower. img(237102); Now you can pass over this makeshift bridge to the other side. img(237103); Enter the large passage. img(237104); Go up the ramp here. The military has started a full artillery barrage now.

More Half-Life Walkthroughs

This Half-Life walkthrough is divided into 18 total pages.

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