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Act of War: High Treason

Act of War: High Treason

The highly anticipated sequel to the critically acclaimed game Act of War: Direct Action picks up where the techno-thriller left off. On the eve of the U.S. Presidential elections, simultaneous terrorist attacks hit both candidates. Clues point to corrupt elements within the U.S.

Released Mar 12, 2008 Developer Eugen Systems Publisher THQ Nordic Platforms Windows ActionStrategyRTSGoreMilitary
View on Steam ↗ $1.19 (US · as of 2026-09-28)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26 · quoted reviews as of 2026-05-13.

81.1%positive545 reviews
Recommended · 1 found this helpful

“A classic RTS in the style of C&C - Reminds me a lot of Red Alert. Good game. Good skirmish mode.”

— a player, Steam review · 11 hrs played
Recommended · 1 found this helpful

“Act of War: High Treason, developed by Eugen Systems and published by THQ Nordic, is an expansion that builds upon the modern warfare framework of its predecessor while attempting to broaden both its scale and tactical depth. Set within a tense, techno-thriller narrative…”

— a player, Steam review · 11 hrs played
Not recommended · 2 found this helpful

“Follow up on Act of War: Direct action Modern warfare base building RTS. Great long single player campaign with good story line - C&C style Some new units - in particular naval combat - that is interesting The main issue I have with this game is the high number of bugs and the…”

— a player, Steam review · 11 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 via SteamCharts.

34all-time peak
0 10 20 2013 2015 2017 2019 2021 2023 2025 15 avg · Mar 2022

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-12. Steam prices vary by region — always confirm your local price on Steam.

$1.19−60% right nowcurrent · sampled 2026-09-28 23:18 UTC
$2.99base price
$1.19lowest since tracking began2026-08-12
US1.19 USD−60%
EU1.19 EUR−60%
UK0.79 GBP−60%
Australia1.80 AUD−60%
Canada1.31 CAD−60%
Japan119 JPY−60%
Brazil2.51 BRL−60%
China6.00 CNY−60%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$0.5 Japan China Canada UK US Australia EU≈$1.4

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-28). Relative comparison only.

$0 $2.5 $5 08-12 08-21 08-31 09-09 09-19 09-28

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jun 01, 2015
AoW: HT updated and relaunched!

http://i.imgur.com/oxKKyCI.jpg Dear Act of War: High Treason Fans, We are pleased to announce that we have updated and relaunched AOW: HT! With this update we have been able to expand compatibility, s

Jun 01, 2015
AoW: HT updated and relaunched!

http://i.imgur.com/oxKKyCI.jpg Dear Act of War: High Treason Fans, We are pleased to announce that we have updated and relaunched AOW: HT! With this update we have been able to expand compatibility, s

May 26, 2015
New Update for Increased Compatibility Coming Soon - Backup your Saved Games Now!

Dear Act of War: High Treason Fans, We are pleased to announce we will soon (next 24-48 hours) be releasing an update to this game that we believe will increase compatibility on more modern Operating

May 26, 2015
New Update for Increased Compatibility Coming Soon - Backup your Saved Games Now!

Dear Act of War: High Treason Fans, We are pleased to announce we will soon (next 24-48 hours) be releasing an update to this game that we believe will increase compatibility on more modern Operating

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-13.

GenresAction
Player tagsAction · Strategy · RTS · Gore · Military (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Family Sharing
LanguagesEnglish
Minimum system requirements (PC)

Minimum: Supported OS: Windows 2000/XP Processor: 1.5 GHz CPU or better RAM: 256 MB RAM Graphics: 64 MB video RAM with full hardware T&L support DirectX Version: DirectX® 9.0c (included) or higher Hard Drive: 7 GB free HD space