Act of War: High Treason
Modern military RTS with naval battles and counterterrorism missions
Eugen Systems · Published by THQ Nordic · Released Mar 12, 2008
- Reviews
- Very Positive
- 80% of 530
- Recent reviews
- Not enough recent
- Players
- 4
- daily peak, Nov 7, 2026
- Steam Deck
- Unsupported
- Last update on Steam
- 11 years ago
- Jun 1, 2015
Metacritic: 74/100 (critic reviews)
What is Act of War: High Treason?
This military real-time strategy game has a single-player campaign and multiplayer matches. You command Task Force TALON's soldiers, tanks, aircraft, and ships in battles and missions such as hostage rescues, as terrorist attacks on U.S. presidential candidates point to a wider conspiracy.
For you if...
- +you enjoy commanding land, air, and naval forces
- +you want both solo missions and multiplayer battles
Not for you if...
- −you prefer turn-based strategy over real-time army management
- −you want small fights rather than large military battles
What players say
80% of 530 reviews are positive
Players praise the skirmish mode and large military battles. They commonly complain about campaign bugs and mission designs that restrict available units or demand heavy micromanagement.
Screenshots and trailer
Act of War: High Treason system requirements
Minimum: 64 MB RAM with full hardw…, 0.3 GB RAM, 7 GB of disk space.
As published by the developer.
Can my PC run Act of War: High Treason?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- Processor
- 1.5 GHz CPU or better
- Graphics
- 64 MB video RAM with full hardware T&L support
- Memory
- 256 MB RAM
- Storage
- 7 GB free HD space
- DirectX
- DirectX® 9.0c (included) or higher
Does Act of War: High Treason have co-op or multiplayer?
Yes: multiplayer (mode not specified). It also has a single-player mode.
Does Act of War: High Treason run on Steam Deck?
Unsupported No: Valve rates it Unsupported on Steam Deck.
- Not supported on SteamOS
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Steam features
- Family Sharing
- Languages
- Text only: English.
Does Act of War: High Treason use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam
