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Map strategy in a tab

Three browser war games
for nights after the last set

Once the band packs up, some of us prefer a slow, thoughtful plan to anything quick. These three free-to-play browser games share a real-time world map but each one belongs to a different century: the trenches of 1914, the fronts of the Second World War and the arsenal of today. Every one runs inside a browser window, and signing up is free.

Supremacy 1914 key art
01 · First World War grand strategy

Supremacy 1914

Take charge of a nation on a real-time map of Europe in 1914 and steer its economy, railways and armies through a match that runs for days. Provinces supply resources, rival players become allies or enemies, and a well-timed treaty often counts for more than a bold advance.

Good for
History lovers who enjoy diplomacy, logistics and patient planning.
Typical session
Check in for a few minutes at a time, a handful of times daily
Where it runs
Desktop browser
Cost
No charge to play, though in-game extras can be bought.
Your first session
  1. Raise production in your home provinces before sending troops across the border.
  2. Message your neighbours early; a peaceful frontier lets you focus elsewhere.
  3. Use the railway network to shift armies quickly between fronts.
Play Supremacy 1914 freeOpens supremacy1914.com in a new tab
Call of War key art
02 · Second World War grand strategy

Call of War

Command a country through the Second World War with land, air and naval forces on a world map shared with other players. Research opens new units over the course of the match, and supply lines, terrain and a trusted coalition decide most campaigns.

Good for
Strategists who like mixing tanks, aircraft and fleets in long campaigns.
Typical session
Short check-ins through the day
Where it runs
Desktop browser
Cost
No charge to play, though in-game extras can be bought.
Your first session
  1. Spend your first days on industry and research rather than a rush to attack.
  2. Keep aircraft near threatened borders, as they react faster than ground troops.
  3. Set queued orders before leaving, since the war carries on without you.
Play Call of War freeOpens callofwar.com in a new tab
Conflict of Nations key art
03 · Modern-era grand strategy

Conflict of Nations

Lead a modern state with an arsenal of helicopters, missiles, fighter jets and naval groups on a live world map. Cities grow your economy, research unlocks newer equipment, and coalitions with other players shape how each round plays out.

Good for
Players who enjoy modern hardware and thinking several moves ahead.
Typical session
Check in for a few minutes at a time, a handful of times daily
Where it runs
Desktop browser
Cost
No charge to play, though in-game extras can be bought.
Your first session
  1. Build up your cities and resources early so later research is not starved.
  2. Scout before you strike; knowing where enemy units sit saves whole divisions.
  3. Find a coalition in the first days to share intelligence and cover.
Play Conflict of Nations freeOpens conflictnations.com in a new tab

Three strategy games, compared

Supremacy 1914Call of WarConflict of Nations
GenreFirst World War grand strategySecond World War grand strategyModern-era grand strategy
PaceSlow real time over daysMeasured real timeReal time over days
Playing with othersDiplomacy between rival powersCoalitions on a shared world mapCoalitions and open diplomacy
Typical sessionCheck in for a few minutes at a time, a handful of times dailyShort check-ins through the dayCheck in for a few minutes at a time, a handful of times daily
Where it runsDesktop browserDesktop browserDesktop browser
CostNo charge to play, though in-game extras can be bought.No charge to play, though in-game extras can be bought.No charge to play, though in-game extras can be bought.

What free to play means for these three

Joining costs nothing for any of them, and a whole match can be played to its end without spending a cent; no vital part of the game sits behind a payment.

Each studio runs an optional store with premium currency and speed-ups. Plenty of players never use it, and if other people share your computer it is sensible to set spending limits on the account.

What to do on your opening night

Follow the button under any game and the studio's official site opens in a fresh tab. Register there, usually with only an email address, and a nation is waiting for you within moments.

Each one opens with a short guided tutorial. Play it through, since it explains provinces, production and unit movement in a sensible order.

Fitting a war around a busy week

Matches carry on day and night. Troops travel, factories build and research completes while you are away, so a look in the morning and another in the evening keeps a nation on course.

Use short visits for upkeep: queue production, redirect units and reply to allies. Save the quieter evenings for bigger decisions such as opening a new front or signing a treaty.

Keeping your strategy login safe

Accounts are held by the studio, so type your password only on the studio's own website. Use a different password for each game and switch on two-step sign-in where it is offered.

Real support teams never ask for a password by chat or email. Ignore anyone offering free premium currency in return for your login details, because the account is what they are after.

Why these three made the set list

  • An ordinary computer browser runs each of them, with nothing to install beforehand.
  • Signing up costs nothing, and a full match can be played without paying; the store is purely optional.
  • Armies keep marching and factories keep producing with the tab closed, so short visits still move a campaign on.
  • All three come from long-running studios with active player communities and regular new maps and events.

No. Each of the three runs in a normal desktop browser with no extra software.

Yes. Registration and play are free, and the in-game stores are optional.

No. They are built and operated by an independent studio; our links simply open each official website so you can sign up there.

Treat each game as a separate sign-up. Create your account on each official site and keep a different password for each.

Your orders keep running, so units arrive and buildings finish without you. Checking in a couple of times a day is usually enough.

Supremacy 1914 is the most straightforward, with fewer unit types. Call of War adds aircraft and fleets, and Conflict of Nations brings the widest modern arsenal.

Yes. All three let you join the same match, form coalitions or alliances and coordinate moves through in-game chat.