Can be activated in:
Åland Islands, Albania, Algeria, Andorra, Angola, Anguilla, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, plurinational state of, Bonaire, Sint Eustatius and Saba, Bosnia and Herzegovina, Bouvet Island, Brazil, British Indian Ocean Territory, Brunei Darussalam, Bulgaria, Burkina Faso, Burma, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Cayman Islands, Central African Republic, Chad, Chile, China, Christmas Island, Cocos (Keeling) Islands, Colombia, Comoros, Congo, Congo, Democratic Republic of the, Cook Islands, Costa Rica, Cote d'Ivoire, Croatia, Cuba, Curaçao, Cyprus, Czech Republic, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Falkland Islands (Malvinas), Faroe Islands, Fiji, Finland, France, French Guiana, French Polynesia, French Southern Territories, Gabon, Gambia, Georgia, Germany, Gibraltar, Greece, Greenland, Grenada, Guadeloupe, Guatemala, Guernsey, Guinea, Guinea-Bissau, Guyana, Haiti, Heard Island and McDonald Islands, Holy See (Vatican City State), Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Isle of Man, Israel, Italy, Jamaica, Japan, Jersey, Jordan, Kazakhstan, Kenya, Kiribati, Korea, Republic of, Kuwait, Kyrgyzstan, Lao People's Democratic Republic, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macao, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Martinique, Mauritania, Mauritius, Mayotte, Mexico, Micronesia, Federated States of, Moldova, Monaco, Mongolia, Montenegro, Montserrat, Morocco, Mozambique, Namibia, Nauru, Nepal, Netherlands, New Caledonia, New Zealand, Nicaragua, Niger, Niue, Norfolk Island, Northern Mariana Islands, Norway, Oman, Palau, Palestinian Territory, Occupied, Papua New Guinea, Paraguay, Peru, Philippines, Pitcairn, Poland, Portugal, Qatar, Republic of North Macedonia, Reunion, Romania, Russian Federation, Rwanda, Saint Barthélemy, Saint Helena, Ascension And Tristan Da Cunha, Saint Kitts and Nevis, Saint Lucia, Saint Martin (French Part), Saint Pierre and Miquelon, Saint Vincent and the Grenadines, San Marino, Sao Tome and Principe, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Sint Maarten, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Georgia and the South Sandwich Islands, South Sudan, Spain, Sudan, Suriname, Svalbard and Jan Mayen, Swaziland, Sweden, Switzerland, Taiwan, Province of China, Tajikistan, Tanzania, United Republic Of, Thailand, Timor-Leste, Togo, Tokelau, Tonga, Turkey, Turkmenistan, Turks and Caicos Islands, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, United States, United States Minor Outlying Islands, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Virgin Islands, British, Wallis and Futuna, Western Sahara, Zambia, Zimbabwe
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
2025-06-30
Monthly Recap – June Edition
We are already at the end of the second quarter for the year and the summer is already giving us so many updates and cool information on a lot of gaming titles and events. We tried our best to gather some of the more exciting pieces, although it is quite difficult to contain everything in just one single post as there is simply so much to talk of. We kick-off things with as many of the highlights from one of the most important gaming events of the year…
The summer heat is already upon us and the rising temperatures are coming ahead, but here at YUPLAY prices are going in the opposite direction and are dropping down like mad! Furthermore, we want to deliver even more value to our happy customers and for every purchase made during the promotional period (between 27.06.2025 7:30 CET and 02.07.2025 15:00 CET) that is above 12€ you will score a free game as a gift from us!