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All Countries: All In! - 4x Speed



Attention, generals!

Did you ever want to take the reigns of the smaller nations that participated in World War 2? Now is the time, because according to the motto ‘all countries, all-in’ you can choose any historical nation that existed in 1939 in this Event.

Try to grow a small country into a big empire or pick an established superpower and surround yourself with allies. Recreate history or conquer the whole world in this historical battle scenario!

Event Details:
  • Historical world map with borders of 1939
  • 73 players: Every nation of 1939 playable
  • No AI countries
  • Free country selection
  • Starts immediately
  • Starting conditions are balanced historically
  • 4x speed
  • Fixed runtime of 14 real-life days after the game started (if not won earlier)


During the sign-up period, the event maps can be found at the top of the games list. Join this event map to participate. We wish you good luck and much fun!

Your Bytro team

Happy Holidays



‘Tis the season of camaraderie and joy, and we're thrilled to have you with us as we celebrate this special time together! This year we reached many milestones and made great memories. Join us as we take a look at all that we achieved together this year.

  • Two exciting new units: the mighty Flame and Amphibious Tanks
  • Multiple balance passes to shake up the metagame
  • A new way to deploy your armies via Unit Cards, reshaping strategies
  • A complete revamp of the advisor system - enabling new players to have a strong start on their journey into Call of War
  • Exciting new visual effects thanks to the Particle Effects system
  • Complete overhaul of the production interface
  • A persistent chat history, enabling smooth Diplomacy between gaming sessions
  • Operations offering rewards for completing challenges across maps, rewarding active players
  • We added a 4x speed map version of “World at War”
  • Stunning new artwork in the loading screens - check our social media channels for downloadable wallpaper versions
  • Countless bug fixes and other improvements - thank you for all your reports and suggestions over this year, we couldn’t do it without you!


Looking ahead, the new year promises even more excitement! We already have so much planned. Among new operations, events and seasonal units we also have some exciting plans for nukes… keep an eye out in the new year, those changes will arrive very soon!

In the spirit of celebration, we invite you all to join the Call of Christmas Event map! Team up with two of your best friends and take control of Antarctica - bountiful rewards await you.

And finally, it wouldn’t be Christmas without presents. Collect yours by taking part in the Xmas Operation on December 24th!

Thank you for being the heart and soul of our vibrant community. Your passion, feedback, and enthusiasm have fueled our journey this year. We are wishing you a holiday season filled with joy, warmth, and victories on and off the battlefield!

Your Bytro Team


Tides Rising



The last release of the year is upon us, and oh boy… It is a big one! Get ready for the new Amphibious Valentine DD Tank, enjoy new challenges in Operations and earn free gold with the new Offerwall feature on mobile!

Attention, General!

The Tides are rising - and with it they are bringing havoc and destruction. The new Amphibious Valentine DD Tank is now available in Call of War! This new offensive unit thrives when assaulting enemy coastlines. All three levels of the Amphibious Tank can be deployed at day 2, and boast impressive damage against unarmored targets. So make sure to fortify your coastlines early and keep your sentries alert. There’s a new threat looming beyond the horizon!

To earn your Amphibious Tank Unit Cards you can complete any of the new Amphibious Tank operations. To keep things challenging and fun we’ve added new tasks to complete, such as capturing provinces or even combining multiple different tasks in the same Operation. The game will automatically track your progress.
Make sure to check the Operations window regularly to check your progress and claim your rewards! And if you want a notification for new Operations kicking off join our official Discord Server and use our handy Event calendar.



We also have a new feature for our mobile players - the Offerwall! You can complete various tasks and offers from our advertising partners to earn free Gold, enhancing your gaming experience. The Offerwall can be found under the shop and rewards icon in the app.

Finally there are some important bug fixes you need to be aware of. AI nations can no longer be attacked by players during the AI peace period. Further we fixed a bug that allowed attackers to avoid battles with allies of the defending player. Now both the attacker and the defender’s ally now have to accept peace proposals before they come into effect.

UPDATE: Due to a delay with the Release the Offerwall feature will be enabled tomorrow (2023-12-20).

For a complete overview of this update, please check out the detailed Release Notes and share your feedback with us on the Forums and our Discord Server.

Best of luck General!

Your Bytro Team

Call of Christmas




Ho, ho, ho, Generals!

Pack your warmest clothes and fastest sleds for our ‘Call of Christmas’ event! In this once-a-year map, special forces of an unknown major power have kidnapped the world’s biggest industrialist (Codename: Santa) to capitalize on his skills.

Your mission: gain a foothold in Antarctica and establish dominant control over most of the continent. But be aware that other nations have tasked their Generals with identical tasks. You'll have to beat them on the battlefield to complete your objective and rescue Santa.

Be bold and strike fast to secure victory and, more importantly, save Christmas!


Event details:

  • Player count: 50
  • No minimum rank limit
  • 2x speed
  • Coalition Limit: 3
  • Drastically increased rewards for 1st, 2nd and 3rd place
  • Random country selection
  • Starts immediately
  • players flagged as inactive after 2 real life days



Your Bytro team



Dominate the Coast!



Emerging from the waves comes a revolution to combat in Call of War. Today we are proud to unveil the Amphibious Valentine DD Tank!

Attention, General!

Built to support daring raids on your enemies coastlines, the Amphibious tank has greatly reduced embark and disembark timers. That means you can get in, wreak havoc and escape to the safety of the sea before your opponent ever knew what hit them.



Strong against unarmored opponents, the Valentine DD Tank is the perfect tool to disrupt your opponent in blindspots and to prepare larger landing operations. All three levels of the tank will be deployable on Day 2. So carefully observe your opponent - Amphibious tanks of level 2 and level 3 are tough opponents that will put up a stiff fight. Higher levels of the card also become stronger against lightly armored opponents, opening up new deployment possibilities.



Ready to bolster your forces with this game-changing unit? Take part in the upcoming Operations to claim your own Unit Cards! The Amphibious Tank will be available in Operations starting Dec.19th until Operation “Leviathan” finishes on January 15th at 10am UTC. Here is the complete list of Operations that let you claim Amphibious Tanks:

  • ”Tsunami”
  • ”Tidalwave”
  • “Flashflood”
  • “Rogue Wave”
  • “Typhoon”
  • “Maelstrom”
  • “Leviathan”


So break out the maps, start strategizing and get ready to harness a force that redefines versatility and strength on the battlefield!

Best of luck General!

Your Bytro Team