Persistent World War II grand-strategy MMO

Call of War

Call of War is Bytro’s free cross-platform World War II grand-strategy MMO. Players govern a nation across matches lasting days or weeks, research technology, produce armies, manage resources, negotiate alliances and direct land, air and naval warfare against people and AI countries.

Full profileWorld War IIGrand StrategyDiplomacy
Play anywhere

Platform availability

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Browser
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Status
Active official cross-platform service
Business model
Free-to-play with optional purchases
Genre
Persistent World War II grand-strategy MMO
Release
2015
Developer
Bytro Labs GmbH
Publisher
Bytro Labs GmbH / Stillfront Group
Profile
Full
Visual playstyle profile

MMO DNA

A visual fingerprint built from MMOFinder’s current verified catalog fields—not a review score.

PvECombat focusPvP

PvP is recorded; PvE is not recorded

PvECombat focusPvP

Player-vs-player grand strategy is the sole focus — there is no PvE

SoloPlay styleGroup

Alliances favor group play, though solo campaigns are possible

StructuredWorld structureSandbox

Historical WWII scenarios structure a persistent strategic map

TargetedCombat feelAction

Turn-based/real-time strategic combat resolution is recorded

HousingNot recordedCraftingNot recordedTradingNot recordedControllerNot recordedPvENot recordedPvPRecorded
Player fit

Why you might like it

  • You want multiplayer strategy where diplomacy, production and positioning develop over days rather than a single evening.
  • Large maps and many playable nations create room for alliances, negotiated borders, betrayals and coordinated campaigns.
  • Browser and mobile access make it practical to issue orders and monitor a continuing war from different devices.
Before you play

Things to consider

  • Real-time construction and movement timers encourage repeated daily check-ins and can make mistakes costly for many hours.
  • Premium currency can accelerate actions or provide information advantages in an otherwise long-form competitive game.
  • A single match requires sustained attention; inactive allies or overnight attacks can reshape the strategic situation.
Transparency

Research record

Last checked
2026-08-28
Profile depth
Full
Source note
Core facts, platforms, gameplay features and player-fit guidance verified from 4 current official or first-party sources.
Profile verification

What MMOFinder has checked

6/6documented areas
  • Gameplay featuresStructured gameplay fields were source-checked for this profile.Verified
  • Gameplay mediaThe current media record and attribution were reviewed.Verified
  • Source trailOfficial or first-party links are recorded below.Verified
  • Last reviewedThis profile was researched in the current batch.Verified

Coverage measures documentation completeness—not game quality, popularity or an endorsement.

How verification works

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Explore connections

Call of War relationship map

Follow verified catalog signals to another world.

Connections use current MMOFinder catalog fields—not review scores or paid placement.

Game history

Call of War timeline

A concise timeline built from verified release and lifecycle fields.

  1. 2015
    Released

    Call of War entered service.

  2. Current
    Catalog status

    Active official cross-platform service

  3. 2026-08-29
    Research checked

    Core facts, features and player-fit guidance were reviewed.

Terms on this profile
Media

Call of War screenshots & gameplay

Two verified gameplay images for a quick look at the game in action.

Source: YouTube gameplay video

Gameplay, availability and research notes

Call of War is classified by MMOFinder as a Persistent World War II grand-strategy MMO. The verified profile records Bytro Labs GmbH as developer, Bytro Labs GmbH / Stillfront Group as publisher, 2015 as its release year and Free-to-play with optional purchases as the current access model.

Supported platforms are Web Browser, Android, iOS. Combat is recorded as Long-form real-time grand strategy with nation management, unit production, diplomacy, alliances and simultaneous multiplayer warfare. Verified feature signals include PvE, PvP, solo play, crafting, trading.

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Community

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