This is the OF Maps category

Opposing Force map releases. These can be installed manually or, in most cases, with MapTap.

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Dark Operations

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Author’s Note: “Dark Operations is a mappack for Opposing Force. It has several puzzles to make it more thinking oriented as well as being full of action. You will traverse and do battle in many different places: labs, offices, warehouses, underground areas, silos, and several outdoor areas. You will also encounter a large variety of enemies on your mission. When it seems like everyone wants you dead, you will find many ally grunts to aid you in your mission. You will also see many sequences in Dark Operations. Enjoy.”

2
10
2

Total Downloads: 4,12718th November 2012
36 Comments and 14 recommendations, most say "Play It Now!"

Double Helix

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Starting just outside the base, you need to get a vest and get fighting.

There are plenty of locations to pass through, with regular mission updates throughout.

Reach the waiting aircraft and fly to freedom.

4
2
3

Total Downloads: 2,19817th November 2012
10 Comments and 9 recommendations, 3 say "Play It Now!"

Foothold

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Author’s Note: “You had just been transferred to this unit . Being in the army was more boring then you had expected.
At this new base, they had spent the last 2 days unloading crates from a place called “Black Mesa”.
Crate carrying – how exciting!

5
2
1

Total Downloads: 1,90417th November 2012
18 Comments and 8 recommendations, 2 say "Play It Later"

OpFor Postal

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

You Adrian Shephard, have tracked down some more evil scientists who are allies of the Black Ops.

You were able to sneak into the lab unnoticed and have the element of surprise.

Your mission is to eliminate all of the scientists and let none of them escape. Remember you are a grunt after all.

It’s time to go postal once again.

4
2
1
2
1

Total Downloads: 1,57217th November 2012
16 Comments and 10 recommendations, most haven't enjoyed it

Little Skyscraper of Horrors

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

“The Bad Guys have taken over a building in a Generic American City, and they’ve kidnapped some Innocent Scientists and forced them to genetically engineer Evil Mutated Monsters as part of a fiendish plan for World Domination.

But the creations have turned on their creators and escaped, and are running amok inside the building, in an orgy of Death and Destruction.

2
3
6

Total Downloads: 2,06413th November 2012
18 Comments and 11 recommendations, most say "Play It Now!"

Fallen Chopper

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Background: Your helicopter was shot down near an airport, somewhere in Kenya

Your primary objective is to evacuate by plane to the secret airdrome.

Your secondary objective is to clean up the airport and escape.

Good luck soldier, you are going to need it!

12

Total Downloads: 1,63513th November 2012
15 Comments and 12 recommendations, most haven't enjoyed it

Little Escape

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

Starting with the same basic scene as Opposing Force, you need to escape the base.

There’s a few areas you need to access before you can reach the portal.

Be careful, even your friends may be enemies.

2
4
2

Total Downloads: 1,60712th November 2012
24 Comments and 8 recommendations, most haven't enjoyed it

Zombies

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

The marines have set up some defensive positions.

The zombies spawn and attack those positions.

Wander around, selecting the weapon of your choice and keep them at bay for as along as possible.

6
1
1
1

Total Downloads: 2,35511th November 2012
10 Comments and 9 recommendations, most haven't enjoyed it

Campaign Part 1

for Opposing Force

Single Player First Person Shooter Maps and Mods for Half-Life 1, 2 and Episodes 1, 2 and 3

A 3 mappack, that was supposed to be part of something larger.

Work your way through the research base, killing the zombies, headcrabs and houndeyes.

When you reach the scientist at the tram stop, it finishes just on the next map load.

2
7
2

Total Downloads: 2,17511th November 2012
21 Comments and 11 recommendations, most say "Maybe?"