This is the Sequel to Act of War Direct Action and does not require the original game to play. Act of War High Treason is the thrilling continuation of 2005’s best new military RTS, Act of War Direct Action. With its fast-paced, action-packed and well-balanced gameplay, extensive tech tree and amazing visuals, this ultra-realistic modern military RTS was an instant smash hit with reviewers and gamers alike! With naval combat, tons more multiplayer options, expanded tech trees and a massive new single-player campaign, High Treason contains hundreds of hours of intense RTS gameplay! Control the ultimate in cutting-edge military technology and units in this first look at tomorrow’s war!
Massive new features and unit rosters for both single- and multiplayer
Over 50 multiplayer maps and new single player campaign
Tons of new multiplayer modes and customization options
Naval combat with advanced water physics
Nine different mercenaries to expand the gameplay experience
Over 50 new units and upgrades
Enhanced A.I., graphics, artillery and aircraft handling, and much more!
windows Minimum
OS: Windows 2000/XP
Processor: 1.5 GHz CPU or better
Memory: 256 MB RAM
Graphics: 64 MB video RAM with full hardware T&L support
Storage: 7 GB free HD space
Directx: DirectX® 9.0c (included) or higher
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-09-11
Dying Light: The Beast – A Brutal New Era of Parkour and Terror
After the pure delight that was GAMESCOM we surely have to shift our attention to some of the more outstanding titles we enjoyed there and Dying Light: The Beast is definitely one of them that stood out to us! The Dying Light series is making its come back very soon and for this one you are going to once again take on the role of Kyle Crane. After the long years of brutal torment and inhumane experiments performed on him, he barely made it out, but the shocking reality…
Gaming has grown into a global phenomenon, so of course it earned its own special day! It first kicked off in the 1990s and was originally marked on July 8th, before officially moving to September 12th. To celebrate this year, we’re running a huge YUPLAY storewide promo! Everyone who places an order between 10.09 CET and 17.09 CET will be automatically entered — and at the end, 21 lucky winners will receive a full refund of their order.