Half-Life: Opposing Force Steam Charts, Sales, Players & Wishlists

Half-Life: Opposing Force is tagged as Action. It is published by Gearbox Software (developer) and Valve (publisher) and released on 1 Nov, 1999. PureGameStats tracks Half-Life: Opposing Force's live Steam player count, all-time peak, review sentiment, estimated sales and price history. Half-Life: Opposing Force currently has 94 players on Steam. Its recorded all-time peak is 5,373 concurrent players on 31 July 2023. Current activity is 98.3% below peak. PureGameStats estimates 693,960 Steam units sold. Steam reviews are 95% positive across 28,915 responses. Platforms: Mac, Linux, Windows.
Half-Life: Opposing Force header image
Developer: Gearbox Software
Publisher: Valve
Platforms: Mac, Linux, Windows
Release Date: 1 Nov, 1999
Est. sales: 693,960 Medium confidence
Retailer Price (US) Discount
Steam $4.99 0%

Half-Life: Opposing Force Player Count & Steam Charts

Current players 94 All-time peak 5,373 7-day peak 171 Yesterday peak 121

In Aug 2026, Half-Life: Opposing Force averaged 85 concurrent players with a monthly peak of 171. Roughly steady versus 91 average players in Mar 2026.

Date Avg Players Max Players Min Players
01 Sept 2026 83 121 50
31 Aug 2026 88 116 53
30 Aug 2026 107 171 56
29 Aug 2026 96 126 67
28 Aug 2026 83 124 50
27 Aug 2026 87 130 56
26 Aug 2026 85 122 53
25 Aug 2026 80 115 49
24 Aug 2026 84 114 45
23 Aug 2026 93 139 54
22 Aug 2026 90 136 55
21 Aug 2026 85 118 46
20 Aug 2026 79 132 45
19 Aug 2026 78 112 47
18 Aug 2026 75 103 36
17 Aug 2026 75 99 47
16 Aug 2026 87 123 52
15 Aug 2026 90 131 57
14 Aug 2026 77 109 53
13 Aug 2026 72 98 44
12 Aug 2026 69 99 41
11 Aug 2026 75 114 42
10 Aug 2026 79 115 43
09 Aug 2026 94 125 55
08 Aug 2026 90 122 61
07 Aug 2026 86 122 54
06 Aug 2026 86 144 56
05 Aug 2026 89 140 54
04 Aug 2026 85 125 53
03 Aug 2026 81 122 48

Half-Life: Opposing Force Price History & Best Deals

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Date Price Discount
20 Jul 2025 $4.99 0%
15 Jul 2025 $4.99 0%

Half-Life: Opposing Force PC System Requirements

Minimum: 500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection

Recommended: 800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection

Half-Life: Opposing Force Steam Reviews

Total reviews 28,915 Positive 27,566 Negative 1,349 Positive % 95.3%Rating Overwhelmingly Positive

What reviewers talk about

Terms split by whether reviewers use them more in positive or critical contexts, relative to this game's own review baseline. Size = how often the term appears. Italicised terms are two-word phrases that usually explain the context (like "buggy launch" or "beautiful city"). Hover a term for the raw counts. Based on recent English reviews.

Reviewers praise
black mesahecumesacolonelxenshepardbetter blueass heavygordoncorporalshock troopersexpansion packsbest expansionbarnaclecanon
Reviewers criticise
blue shiftadrianshephardexpansionfreemanhl1expansion packraceweaponsaliensshiftmarinesweapons enemiesbluedesert eagle

Half-Life: Opposing Force Official Announcements

Half-Life: Opposing Force News & Media Coverage

Half-Life: Opposing Force - Frequently Asked Questions

How many people are playing Half-Life: Opposing Force right now?

Half-Life: Opposing Force has 94 concurrent players on Steam right now.

What is the all-time peak player count for Half-Life: Opposing Force?

Half-Life: Opposing Force reached an all-time peak of 5,373 concurrent players on 31 July 2023.

How many copies has Half-Life: Opposing Force sold on Steam?

PureGameStats estimates Half-Life: Opposing Force has sold approximately 693,960 copies on Steam, with medium confidence. The estimate is derived from Steam reviews, concurrent player peaks and achievement completion rates.

How is Half-Life: Opposing Force rated on Steam?

Half-Life: Opposing Force has 28,915 Steam reviews with a 95.3% positive rating (Overwhelmingly Positive).

What is the current price of Half-Life: Opposing Force?

Half-Life: Opposing Force is priced at $4.99 on Steam. Full price history and best deals are tracked on this page.

When was Half-Life: Opposing Force released?

Half-Life: Opposing Force was released on 1 Nov, 1999. It was developed by Gearbox Software.

Games like Half-Life: Opposing Force

Games released in the last 12 months matched on shared Steam tags, description, genres, categories, and wishlist tier.