Call of War

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BUILD UP YOUR NATION When war is coming you need all the resources you can get! Prepare your country to gear up for the big battles of World War II.
RESEARCH MILITARY TECHNOLOGIES Unlock and level up your ground, air and naval warfare units to get the advantage you need for victory!
FORGE ALLIANCES AND MASTER DIPLOMACY Who is your enemy? Who your ally? Choose wisely whom to trust!
ENGAGE IN COMBAT ON HISTORICAL MAPS Choose your strategy to win the big battles of World War II! Control air, land and sea units and rewrite history!
Aug 12, 2016


In Call of War, you take the reigns over a multitude of nations during the darkest hours of human history: The Second World War. You have to build up your cities, expand your country, manage your economy, bargain with other rulers, spy your enemies, forge strong alliances and build a powerful army to prepare for the call of war. You have a great strategic overview over a huge historical map, on which you can order your commands and see your armies move in real time. Everything is possible in Call of War.


Explained in-game

April 19, 2018

It may have been a bit quiet those last few weeks, but don’t let the silence deceive your senses. After we changed the design of the game’s list it was about time for the user profiles to also receive a new, smarter and better design. Read on to learn more about the awesome new features that await you with today’s update. The statistics are now visualized in different types of charts to receive a better and instant overview of your statistics. If this information is not enough for you, simply click on the arrow below the unit statistics to receive more details. You can switch between PvP, AI and economic statistics. Furthermore you can also see the progress of your blueprints above each unit and also directly purchase them. Additionally, you will see your current three most played maps and in the achievements tab a separate overview of the current three close-to-be-finished achievements. In the achievements tab you can see all the achievements and your current progress - hovering over them will display a tooltip that shows the requirements for each milestone. In case you want to see an achievement comparison between you and another player, simply click on achievements in their profile. For a direct link to the achievements simply click the new trophy icon - on mobile you will find this button in the extended menu on the bottom right. There is a lot more to explore, so jump right into your game and discover your own new profile. Here are some additional changes and improvements that also made it into this update: We added the current duration of high command to the website for better visibility. Wrong winning pop-ups after game end have been fixed and you should also not see a defeat pop-up anymore even though you have won the game. The diplomacy text field would unselect after some time, this should not happen anymore. The search filter does now reset when you close and open the newspaper again. Your Call of War team

September 19, 2017

Dear generals, as commanders in chief you need to know at all times where and when to strike in order to dominate your foes and minimize your own casualties. This is why we have put maximum effort into making the game lists more appealing and easy to use, helping you to identify the most exciting game rounds more easily. This includes the following changes: The game list has been completely reworked to better promote the most popular game rounds and hide irrelevant ones. The game details panel has also been reworked to display all the game information in a more clear and appealing manner. Password-protected games and alliance games are not shown in the games list anymore as the majority of players could not join them. They can still be found via the search field by entering the game number. Several popups suggesting new game rounds have been reworked to fit the new style. In the last months we also often received feedback that some maps feel too empty or become inactive too quickly. For that reason we are limiting the number of games players can create to reduce the amount of empty maps: From now on players will only be able to create one game per month. We encourage everyone to join existing rounds instead for more exciting challenges. Alliance games are excluded from this limitation. With the next update Members of the High Command will be able to create 5 games per month. Additionally, players now need the rank of Technician Fifth Grade (Lvl. 11) to create games. In addition, we made an important change to the way troops of defeated players are treated, together with a few bugfixes: When players lose all of their provinces AND become inactive or AI, their remaining armies are removed from the map and relations are reset to peace. Sometimes, units that entered the vision radius of your units were still shown as "?". This has been fixed. Sometimes, the AI researched Elite units which were then available to players who took their place - regardless of the number of blueprints they possessed. This has been fixed. And there’s still more! Our mobile dev team has worked hard to bring two awesome features to all players who love to play Call of War on the go: First, coalitions are now finally mobile-ready! You can access and manage them directly on your portable device. Second, we can now answer the question “Is there a Call of War app?” with “Yes!”. With a so-called ‘progressive web app’ you can now install Call of War on your Android device by clicking on the popup you’ll receive next time you access the game. As non-Android users you can use the “add to home screen” function of your mobile browser to enable instant access to your games. We hope you like the changes and encourage you to provide feedback on the forum. Your Call of War team

July 18, 2017

Dear Generals, did you ever want to relive history and be within touching distance of real World War II vehicles - and as a bonus meet the makers of Call of War in person? This will be possible in early September: Bytro will be an official partner of the Belgian TANKS IN TOWN event, a unique exhibition of WWII armored vehicles taking place in Mons, Belgium. The biggest news are for sure our Call of War mobile release for everyone! the time has finally come to introduce all our troops to the art of mobile warfare. From today on, the fully revamped mobile client for Call of War will be available to all players. During the open beta you will be able to switch between the mobile and desktop version by using the button added to the loading screen. Simply direct your mobile browser to and try it out now. To celebrate the release and help you get accustomed to the new interface we have prepared a quick info sheet showing the most notable improvements to the client. Make sure to check it out here ( and ready yourselves for the upcoming battles! We also hope you were able to adjust your tactics and strategies to the latest balancing changes, because the dogs of war do not sleep. A new scenario approaches us as fast as the M18 Hellcat, detected by our local spies. They have sent us a notice about the current situation in the field. Your support is needed. Test your strategies on the new 50 player map America 1942: Homefront! “Civil War breaks loose! The American States declared their independence and North- and Central America are in disarray. We have to choose now, general: Which of the 50 states shall be the home base of our operation. We await your answer!" Map Information: - Fight in 3 different regions: USA, Canada and Latin America - 50 player countries with 25 provinces each - 5 urban, 12 resource producing provinces, 2 double productions, 50 victory points - 32 AI countries with 3-18 provinces of 3-14 victory points each - More accurate terrain than on older maps - Control 1664 victory points to win We also made some design changes to our shop! As with the old shop, you will be able to buy different Gold packages using a wide range of different payment methods. High Command (premium account) and surveys that let you earn Gold are still available, too. What changes is the design. While making it more modern and refreshing we still sticked to our Call of War theme and are very happy with the final result. You will have a great overlook over all possible offers and a more intuitive shopping experience. As a nice side effect you are making it possible for us to keep the game running and improve Call of War further. Thank you very much! We hope you like this update. Feel free to give us feedback in the forum. Your Call of War Team
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