This is a remake of the original Half-Life mod The Challenger Deep. This re-designed mod has been in development for more than 7 years. It follows the same storyline as the original.

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After months of beta testing by the Beta Tester's Collective @ PlanetPhillip, and some major reworks including several new levels as well as some in-depth rework of the level transitions, The Challenger Deep 2 is now a few days away from being released.

There have been some major changes.

Check out the new in-game video:

The Challenger Deep 2 Update

The Challenger Deep 2 Update

News 3 comments

Incoming mod for Half-Life, The Challenger Deep 2, is nearing completion.

The Challenger Deep 2 media update

The Challenger Deep 2 media update

News 1 comment

Added news screens, a gameplay video, and a blog entry since the last update.

Return to The Challenger Deep

Return to The Challenger Deep

News

The Challenger Deep 2 is going through final tests.

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The Challenger Deep 2

The Challenger Deep 2

Full Version 4 comments

The Challenger Deep 2 is finally here! This is a remake of the original Half-Life mod The Challenger Deep. This re-designed mod has been in development...

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makaro
makaro

IS there any reward for the present ?

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Panzermann11
Panzermann11

Any idea where's OG Challenger Deep?

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ResistanceRebel
ResistanceRebel

is there any underwater enemies

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Guest
Guest

Is there a challenger deep 1???

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Guest
Guest

Challenger deep one is the same thing, same story, 2 is just remastered.

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tcba_joe
tcba_joe

I can't seem to get this to work. At best I get it to appear in Steam, but it won't launch when you try to start a new game.

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Aublak
Aublak

Very good mod, I like it.

I get framerate issues in large open environments, is this normal?

Also there's a bug at the end. The player can click on a certain box and skip the last battle.

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DocRock_HL Creator
DocRock_HL

Anyone know where this was posted to cause it to have over a 1000 downloads yesterday?

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