Alpha Protocol™

Alpha Protocol™

For players seeking an agent story shaped by consequential mission choices, Alpha Protocol™ has a clear single-player focus. At $6.79 from GOG, weigh the cost against your interest in Thorton's mission: your decisions affect his development and the fate of the world. A future Steam sale may offer another opportunity if you would rather not buy now. The Standard edition is available for DRM-Free, with Visa, Mastercard, PayPal, Apple Pay, Google Pay, and Klarna as verified payment methods.

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83%Steam Reviews3.4K reviews73Metacritic/100
Released: Jun 1, 2010
RPG · Stealth · Choices Matter · Action · Espionage
Alpha Protocol·Platform:DRM-Free·~ $19.99-66%from~ $6.79Save $13.20 vs SteamBuy now
Alpha Protocol Steam CD Key·Platform:Steam·-17%from~ $16.52(~ €14.68)Buy now
Alpha Protocol EN/DE/FR/IT/ES Global·Platform:Steam·-16%from~ $16.76(~ €14.89)Buy now
Alpha Protocol Steam Key GLOBAL·Platform:Steam·-10%from~ $17.92Buy now
·Platform:Steam·United States Steam official price~ $19.99Buy now
Alpha Protocol Steam CD Key·Platform:Steam·from~ $91.53(~ €81.34)Buy now
Alpha Protocol Steam Key GLOBAL·Platform:Steam·Credit/Debit Cardfrom~ RUB 1,967.00Buy now
All-time low ~ $0.99across Steam & third-party stores
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Price History

Past 36 months · Updated daily
Historical Low~ $9.992025-11Current Low Across Stores~ $6.79GOGAt its historical low now
~ $12.04~ $15.09~ $18.14~ $21.1925-1026-0126-0426-0726-10~ $9.99

Prices cover Steam and 39 authorized stores; only legitimate offers are counted. The chart shows weekly market-wide lows and Steam's official price across the past 36 months.

01About Alpha Protocol™

In Alpha Protocol™, you take the role of Michael Thorton, a talented agent cast out by his government and tasked with stopping an international catastrophe. Decisions and actions across missions shape the secret agent he becomes and affect the fate of the world. Steam players rate the game 83%% positive across 3,430 reviews. The Steam PC version was released on June 1, 2010.

Credits

Chris Avellone
LEAD DESIGNER
Chris Avellone
American video game designer
Composer
BT
Developer
Obsidian Entertainment
Publisher
SEGA

Steam player reviews

83%positiveVery Positive3,430 Steam reviews

Lowest recorded in 36 months

$9.992025-11-27 · SteamBase game · same records as the chart above; USD history, not a regional Steam low.

Language support

LanguageInterfaceSubtitlesAudio
EnglishYes——
FrenchYes——
GermanYes——
Show 5 more languages
LanguageInterfaceSubtitlesAudio
ItalianYes——
SpanishYes——
CzechYes——
PolishYes——
RussianYes——

Steam PC edition data · 2026-10-17

02Before you buy

Single-player and choices

Alpha Protocol™ is a single-player game on Steam for PC. Your mission decisions and actions shape the kind of secret agent Michael Thorton becomes.

Interface languages

Listed Steam PC interface languages are English, French, German, Italian, Spanish, Polish, Russian, and Japanese.

03Frequently asked questions

Who is the protagonist?

You play Michael Thorton, an agent cast out by his government who must stop an international catastrophe.

What do choices affect?

Choices and actions during missions affect Thorton's future and the fate of the world.

Can I play solo?

The Steam PC listing identifies the game as single-player.