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
2026-03-16
Celebrate the Spring by Draining Yuplay’s Profit
Spring time always comes with a sense of freshness and revitalization, so we decided to take a risk make a special storewide promotion that would absolutely kill our profit (and probably get our boss angry). All you have to do to participate is make an order of at least 20€ between 17.03.2026 15:00 CET and 23.03.2026 15:00 CET, and you will get a FREE game coming straight out of our pockets…
Even though Friday the 13th is widely considered as an unlucky date, we at YUPLAY are trying to flip the script for that and turn it into a lucky day for you and this time is not an exception to the rule! We are delighted to announce our FRIDAY 13TH promo and you should absolutely read on the article in order to find out how to best take advantage of this campaign and turn your luck in the right direction for the occasion…