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Half-Life 2: Episode One

Half-Life 2: Episode One

AppID: 380
Developer: Valve
Publisher: Valve
Jun 1, 2006

Current Price

$0.00

Estimated Owners

Unavailable

Total Reviews

31.6K

Est. lifetime net (USD)

Unavailable

Overview

Revenue Breakdown

A positive current USD price is required for this estimate.

Supporting answers and recent review samples

Frequently Asked Questions

Why is this revenue estimate unavailable?

A positive current USD price is required for this estimate.

What game engine does Half-Life 2: Episode One use?

Half-Life 2: Episode One was developed using the Source Engine game engine.

How many developers worked on Half-Life 2: Episode One?

Half-Life 2: Episode One was developed by a team of Approximately 90 team members (based on credits) 2005–2006 (development and release).

Review Statistics

Overall Rating Overwhelmingly Positive
96% Positive 4% Negative

Positive

30.3K

Negative

1.3K

Game Information

Game Engine

Source Engine

Genres

Team Size

2005–2006 (development and release)

Approximately 90 team members (based on credits)

Last updated: Nov 17, 2025

Detailed Revenue Analysis

A positive current USD price is required for this estimate.

Review Analysis

Review Distribution

Positive Reviews 30.3K (96%)
Negative Reviews 1.3K (4%)

Review Metrics

Total Reviews 31.6K
Review Score Overwhelmingly Positive
Positive Ratio 96%

Game Details

Full Name

Half-Life 2: Episode One

Steam App ID

380

Type

Game

Developers

Valve

Publishers

Valve

Release Date

Jun 1, 2006

Additional Details

Game Engine

Source Engine

Genres

Official Website

Visit Official Site

Age Ratings

Team Size

2005–2006 (development and release)

Approximately 90 team members (based on credits)