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Arms Race



Attention, Generals!

The race to victory is about to begin as our “Arms Race” event returns!

Your nation is mobilized, your economy is set up for war, infantry units are deployed to protect the countryside and the finest of your troops are gathered in urban centers across the country!

It is time for you to make the first move and face the enemy!

  • Player count: 50
  • 2x speed
  • Starts immediately
  • Random country selection
  • Players flagged as inactive after 48 real-life hours
  • Fixed runtime of 28 real life days after the game started (if not won earlier)


During the sign-up period you can find the event maps at the top of the games list. Join these event maps to participate. We wish you good luck and much fun!


Your Call of War Team


Release Notes - 2023-06-27



Attention, General!

Following up on the changes from the end of May, we are making further changes to the game’s balance. Thank you to all our players for the great feedback! It made us rethink our buffs to Railroad Guns. It also sparked follow-up changes to buff the Allied and Comintern doctrines.
We reverted the buffs to Railroad gun production. Now a Secret Lab at level 4 is again required to ensure efficient production.
Further, we increased the damage of Commandos, Anti-Tanks as well as Tactical and Attack Bombers. We want to strengthen units that profit from Allied and Comintern doctrine buffs to make those doctrines more competitive with their Pan-Asian and Axis counterparts.
We also buffed the movement speed of SP Anti-Air. That way motorized offensives no longer have to compromise on either speed or anti-air.

And with that, we come to the bug fixes for this week. Enjoyers of sub-surface warfare rejoice! Submarines are no longer visible even when undetected. We also fixed a bug that caused stealth units to become visible when stacked with non-stealth units.

For a closer look at the changes please check out the detailed Release Notes and share your feedback with us on the Forums and on our Discord Server.

Best of luck General!

Your Bytro Team

All Countries: All In!



Dear 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
  • 1x speed
  • Fixed runtime of 42 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 these event map to participate. We wish you good luck and much fun!


Your Bytro team


Capital Rush




Attention, Generals!

To kill a beast, you aim for its head. The key to victory lies in crushing the morale of the enemy! Why waste resources to occupy an entire country, when you can demoralize and defeat the opponent by conquering its center of power - the capital?

Join our brand-new Capital Rush event this weekend and fight for world domination with 99 other players! To win this event you will need to seize control over enough enemy capitals before any of your rivals do. Strike now and conquer the world!

Event Details:

Player count: 100
2x speed
Starts immediately
Free country selection
Free for all (No teams)
Point of Interest (POI) feature activated
30 POIs to win the map
No AI peace period


If you want to participate in this event, simply go to the game list: Within the sign-up period new event rounds will be created on demand and shown on top of the list of new games.

Your Bytro team

Rush for Europe



Attention, Generals!

Time flies, as they say! Just like the fighters and bombers these days. The Germans are rearming, the Russians are on the move and the Royal Navy is on high alert! It looks like we are only hours away until war breaks out in Europe once again.

Mobilize your troops and prepare yourself for whatever enemy you may face! “Rush for Europe” is a special event map that runs at breathtaking 6 times the speed of normal game rounds! Even the tiniest decision could have severe consequences at this pace. Experience the war for Europe in a way you have never seen it before!

  • Player count: 22
  • 6x speed
  • Starts immediately
  • Free country selection
  • Advanced starting units (incl. armored cars, artilleries, anti-tank, light tanks, infantries and anti-air) are available from start
  • fixed runtime of 14 real-life days after the game started (if not won earlier)


If you want to participate in this event simply go to the game list: Within the sign-up period ( new event rounds will be created on demand and shown on top of the list of new games.

We hope you enjoy the event and wish you the best of luck on the battlefield!


Your Bytro Team