Minesweep Online

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Help

How scoring works

+1 pt per cell revealed

+3 bonus every 5 cells cleared

−3 pts per mine hit

+1 per valid flag at game end

This game

Cells & bonuses

Mine hits

Score

Mines Flagged

Approximate count. Exact value revealed at game end.

Lifetime score

🎉 Board Cleared! A game admin may start a new game soon.

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Board Cleared!

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Private Games

Achievements can't be earned in private rooms, Only in the public game.

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Quick Settings

Mini-map

Player Cursors

Edge Activity

Donate

Telegram Group Chat

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Settings

Theme Support

Changes the gameboard's icons & colors.

Scroll Zoom Step

5%

Fine Coarse

Performance Mode Turns off animations and simplifies rendering when zoomed out, for smoother play on older or slower devices.

Change Color

Change Password

New password

At least 5 characters. If you have an email on file, we'll send a confirmation.

How to Play

The Goal

Clear the field of mines by opening cells that don't contain mines and flagging cells that do. Work together with other players to clear the entire shared board.

Reading the Numbers

Every number tells you how many mines are hidden in the 8 cells directly surrounding it. A 1 means exactly one of those 8 neighbours is a mine. A 3 means three of them are.

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1

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This 1 means exactly one mine is somewhere in the 8 surrounding cells.

If you open a cell with no mines nearby, it's blank and automatically opens all its neighbours too; this can reveal large areas at once.

Multiplayer Rules

💥 Hit a mine and you're on a 3-minute timeout. The board keeps going for everyone else.

🚩 Flags are visible to all players. Anyone can place or remove them, and each player has a flag limit.

🎉 When the board is fully cleared, a game admin will start a fresh round.

Controls

Left-click — reveal a cell

Right-click — place / remove a flag

Left + Right click or Middle click — chord a numbered cell (see below)

Click & drag — pan the board

Scroll wheel — zoom in / out

Touchscreen: Tap reveal · long-press flag · pinch zoom

Click or drag the mini-map to pan. The white box is your view

Chording

Chording lets you quickly open all remaining neighbours of a numbered cell when you've placed the exact correct number of flags around it.

1. Place flags on all the mines around a number until the flag count matches it. The cell glows teal when it's chord-ready.

2. Hold left and click right (or vice versa), or use middle click on the number.

3. All unflagged neighbours open at once — cascading if any are blank.

⚠️ Chording is dangerous. If any of your flags are wrong, chording will open a mine and trigger your 3-minute timeout. Always double-check your flags before chording.

Other Players' Flags

🚩 Anyone can place a flag, and not every player is right. A flag placed on a cell that isn't actually a mine will automatically fall off after 10 minutes, but until then it counts toward that number's flag total; and can make a cell look chord-ready when it isn't. An inexperienced player's bad flag can be your downfall: don't chord on a number just because the count matches; make sure you'd trust every flag around it yourself.

Your Account

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About

Minesweep Online was made by Rico.

github.com/drraccoony

Tech Stack

Laravel for the backend framework

PostgreSQL for the database

Reverb for real-time WebSockets

Font Awesome for the icons

Inspiration from m3o.io

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Play together on a massive shared board

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Special Rules Active

This game has mutations that change the normal rules.

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