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, 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, 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, Poland, Portugal, Qatar, Republic of North Macedonia, Reunion, Romania, Russian Federation, Rwanda, 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 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
Build your city, forge your empire, and conquer the world in Kaiserpunk, the Grand City Builder set in an alternative history from 1918 to 1945 – the 'Interbellum Era'. After WWI, city-states rise from the ashes, each vying for dominance.
As a ruler, you'll manage your city, drive its industrialization, and build a military across land, sea, and air to conquer rivals or defend your territory. With deep production focused city building and warfare on a global scale, the way you develop your city will determine your ability to dominate.
Grand City Building in an Alternative 20th Century
Shape your city from the ground up. Build housing, set up logistics, establish industry, provide public services and connect your city. From simple zeppelins to mighty bombers, new technology unlocks over 90 buildings and many different upgrades based on how you build your city. Keep the morale of the citizens high, ensure they’re employed, and have them contribute to the economy as your 20th-century metropolis rises to greatness.
Be a Captain of Industry
From trees to newspapers and ore to bullets, your city's industries must run efficiently—and it's up to you to make it happen.
Fine-tune your economy, trade, and manage over 90 deep, interconnected production chains to meet the demands of your growing empire. Set up efficient logistics and ensure your goods reach the right destinations, even experienced armies lacking supplies will get you nowhere.
Warfare on a Global Scale
As your city-state rises from the ashes of the Great War, you’ll encounter other emerging city-states, each vying for power. Will you forge alliances or seize dominance through open conflict with your rivals?
With 100 different regions to conquer, choose your strategies and harness your resources to wage war across land, sea, and air—expanding the influence of your great empire.
Additional notes: SSD is recommended. Steamdeck is not supported.
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
2025-09-02
Monthly Recap GAMESCOM Edition
Gamescom 2025 has been a total hit this month, so we dedicate our monthly recap rubric completely to it and the highlights we would like to present from it! Get ready for a grand total of 12 exciting news pieces around the latest hit titles, media as well as hardware and in general what you should be looking around for in the coming months and much more. From Borderlands 4 to Black Ops 7, from Little Nightmares III to Ninja Garden 4, and even some NVIDIA news…
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