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💥 Strait of Hormuz — heavily mined

Drag to pan the map and scroll (or pinch) to zoom. Tap the ocean to reveal, long-press or right-click to flag a mine, and tap a number to open its neighbours. The land is always safe — only the sea is mined. No signup, ever.

Play Minesweeper World, Free

The whole world map is one giant Minesweeper board — the ocean is the minefield, every landmass is safe ground, and the Strait of Hormuz is always mined. First click always safe, pan and zoom the globe, no signup.

Minesweeper World turns the entire planet into a single Minesweeper board. Instead of a tidy 9×9 or 30×16 grid, the whole world map is the playfield: every stretch of ocean is a square that might hide a mine, and every landmass — continents, islands, coastlines — is inert, safe ground you can open freely. Your job is to read the numbers along the coasts and clear the open sea without detonating a mine, working your way across oceans that dwarf any classic board. On Minesweeper.Free your first click is always safe, so you can dive in anywhere on the map and start reasoning from an opened patch of water. Pan and zoom the globe to move between regions, keep an eye on the share of the ocean you have cleared, and — fair warning — the Strait of Hormuz is always packed with mines, a nod to the real world's most notorious naval-mine chokepoint. No signup, no download, no timer pressure unless you want it: just the biggest game of Minesweeper you will ever play.

How to play

  1. Open anywhere on the map. Click or tap any patch of ocean to start — your first click is always safe and opens a stretch of clear water with numbers along its edges. Land is never a mine, so coastlines are always safe to open.
  2. Read the coasts. Each number counts the mines in the water squares around it. Numbers next to land are the most useful, because the land side is guaranteed safe — that narrows down exactly where the mines in the sea must be.
  3. Pan and zoom the globe. Drag to pan across oceans and pinch or scroll to zoom. The world is far bigger than a classic board, so move around, clear one sea at a time, and come back to the tangles later.
  4. Flag the mines at sea. When a number proves a water square must be a mine, flag it — right-click on desktop, long-press or flag mode on touch — so you never open it by accident across such a large map.
  5. Clear the ocean. Keep opening water you can prove is safe and watch your percentage of the ocean cleared climb. Clear it all without hitting a mine to complete the world — the Strait of Hormuz will be the hardest stretch.

Strategy

Treat coastlines as your friends: land is guaranteed safe, so the numbers sitting on coastal water are the richest clues on the whole map — start every region by reading the shore. Clear enclosed seas and bays first, where the water is boxed in by safe land and the deductions are tightly constrained, before you push out into the open ocean where numbers are sparser. Zoom out to plan which sea to tackle next, zoom in to work the detail, and flag mines as you prove them so a careless click across a wide ocean does not end a long run. And give the Strait of Hormuz the respect it deserves — it is always densely mined, so pick it apart slowly with the surrounding coastal numbers rather than opening water on a hunch.

Frequently asked questions

What is Minesweeper World?
It is a version of Minesweeper played on the entire world map instead of a small grid. The ocean is the minefield — any sea square may hide a mine — while every landmass is inert, safe ground. You clear the open water by reading the numbers along the coasts, exactly like classic Minesweeper but at planetary scale.
Why is the ocean the minefield and the land safe?
It is the twist that makes the world map playable as one board: the land gives you a huge set of guaranteed-safe squares to anchor your deductions, and the numbers along every coastline tell you how many mines lurk in the neighbouring water. So the geography itself becomes part of the puzzle.
Why is the Strait of Hormuz always mined?
It is a deliberate, fun nod to the real world: the Strait of Hormuz is one of the most strategically mined naval chokepoints in history, so on Minesweeper.Free it is always packed with mines. Expect the densest, trickiest deductions of the whole map right there — clear it and you have earned it.
Is the first click always safe?
Yes. Wherever you make your very first click on the map, it can never be a mine — the mines are placed afterwards, around your opening — so you always begin with an open patch of ocean and some coastal numbers to reason from.
How do I move around such a big map?
Drag to pan across the oceans and scroll or pinch to zoom in and out. Because the world is so much larger than a classic board, you clear it region by region — zoom out to choose your next sea, zoom in to work the fine detail along the coast.
Is Minesweeper World free, and do I need an account?
It is completely free on Minesweeper.Free — no signup, no download and no paywall. Your progress and the share of the ocean you have cleared are tracked right in your browser, and signing in only syncs them across your devices.