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64 - The Lost Board logo

64 - The Lost Board

A world hides in 64 squares. And you — which piece are you?

A calm logic puzzle played on an 8×8 board. Draw as many squares as each seal’s number, place the areas without letting them overlap, seal the board. Every board you seal sets one square of a broken world back in place.

6 regionsDaily board32 seal badges
The game’s home screen: the large diamond Play button, Board of the Day, and the next goal in the Ice Kingdom region

No install; it opens in the browser. Your progress is kept in this browser. Open full screen

Archive · Record 0

64 - The Lost Board

The world was once a single Board. Sixty-four squares. Each square a place, each place a name.

Those who kept the measure were called Geometers.

Then the Dividers came. They broke the Board. Each piece became a region and forgot its own measure.

We, the Archivists, only kept the record. No one pressed a seal.

Record holder
The Last Geometer. You.
Task
Each board you seal sets one square of the world back in place.
Measure
When sixty-four boards are sealed, the Board is whole again.
Archivist’s note
“Don’t hurry; the measure does not forgive haste.”
Six regions · in order

The Lost World

Every region is a piece of the Board. Each lost its measure in a different way.

  1. 1
    Region I

    Valley of Awakening

    Every beginning comes with a question.

    Everything is as it first was. Plain seals, open squares. Under the ice, a corner of the old Board shows.

    Remnant

    A burnt edge on the path. The embers are still warm.

  2. 2
    Region II

    Broken Forest

    Losses teach balance.

    It wasn’t fire that burnt the forest; it was the hand that drew the border wrong. The ember cells have not gone out.

    Remnant

    A ring of hearthstones; one stone bears the Geometer’s mark. Heading north, a single row of footprints, dead straight.

  3. 3
    Region III

    Ice Kingdom

    Silent truths.

    First the measures froze, then the hands that held them. The king froze his own squares to protect the rest of the Board.

    Remnant

    A throne leaning against the wall. Beneath it, a tablet of confession: “We were the ones who forgot the measure.”

  4. 4
    Region IV

    Shadow City

    The secret of reflections.

    The city didn’t sink into darkness; it forgot what belonged to whom. Everyone hid their own measure.

    Remnant

    A shadow sits on the throne. The veil has not yet lifted.

  5. 5
    Region V

    Ancient Archive

    Forgotten knowledge.

    Every record is a board, every board a confession. On the last shelf, a blank tablet left for you.

    Remnant

    Archivist Nun’s note: “Keeping the record is not enough. Someone must press the seal.”

  6. 6
    Region VI

    Dark Throne

    Not yet awake.

    The Board’s first square broke here. The first of the Dividers sat here. Every square sealed here pulls the rest of the world back into place.

    Remnant

    No record. You will write this page.

How to play

Keep the measure, seal the board

Seal

Some squares hold a number in a circle. Every seal wants a rectangle of exactly that many squares. A seal marked 6 takes an area of 1×6, 6×1, 2×3 or 3×2.

Area

Areas never overlap; each area holds only one seal. When every area is drawn and the board is covered, the board is sealed.

Move

Press one corner, drag to the opposite corner, release. If the rule holds, the area lights green and settles into place. If not, the drawing quietly dissolves; only an amber warning shows. Tap a sealed area and it lifts.

Moves

Story boards have no clock; think as long as you like. But every placement, every rejected attempt and every removal spends one move. The real danger is silent: an area that obeys the rule but takes the room of other seals gives no error. It locks the board.

Board 0
Archive Gate
Try it here
12Moves

Study the board. Press one corner, drag to the opposite corner.

SealFireKingIce
◆◆◆◇◇

Score and stars

Every square you seal earns points; each move left in hand is added too. The result is shown in ◆ out of five. Five stars ask for a near-flawless game.

✦

Hint

Shows one edge of an area first, then the whole area on the second press. You earn one hint each time you enter a board; every use costs points.

◇

Board of the Day

The same board for everyone, every day. Three attempts, one ranking. Take your place among Today’s Best.

Objects of the world

Seals and cells

The seal is the word of the measure. Special seals constrain the shape of the area; special cells constrain the board itself.

6

Seal

Wants a rectangle of as many squares as its number.

4↔

Frozen Seal

Its area can only be a single horizontal row. It does not bend.

3↕

Upright Seal

Its area can only be a single vertical column.“Some seals lie down, others stand and wait.”

6

Fire Seal

Won’t fit a narrow place. Its area must be at least 2 rows and 2 columns; never a strip.

8

King Seal

Its area must lean on at least one edge of the board.

?

Shadow Seal

Its value is hidden. It reveals when a neighbouring area is sealed or a hint is taken.

Special cells
✳

Ice cell

It keeps. Can’t be covered; no area may pass over it.

Ember cell

Sealed fire. The area that covers it earns extra points.

Spark cell

The trace of the breaking, hidden by the Dividers. An area touching its edge must be sealed first to burst it.

Dark cell

It will never light up. Can’t be covered, and it stops a shadow seal from being revealed from that side.

From the game

Screens

The Silent Courtyard board: gold seals, upright seals and ice cells
The BoardSilent Courtyard, Ice Kingdom. Upright seals and ice cells.
Map of The Lost World: six regions and a golden path
The Lost WorldSix regions, joined by a golden path.
Board Sealed screen: five diamond stars and the score breakdown
Board sealedFive diamonds and the score breakdown.
Today’s Best ranking screen
Today’s BestThe same board for everyone, one ranking.
Seal Medals screen: thirty-two badges
Seal MedalsThirty-two badges, for real achievements only.
Rankings

Twenty-one countries

Your country's flag appears next to your name in the rankings. You can pick one of these twenty-one countries in the game.

Frequently asked

The game in brief

What kind of game is 64 - The Lost Board?

A logic puzzle of the shikaku kind. On an 8×8 board you enclose every seal with a rectangle of exactly that many squares. No dice, no luck; only the measure.

Which devices does it run on?

On iPhone and iPad, downloaded from the App Store. It also plays on this page, in the browser, with nothing to install.

Which languages is the game in?

Six languages: Turkish, English, German, Spanish, Portuguese and French.

What is the Board of the Day?

Every day the same board opens for everyone. You have three attempts, and the results gather in a single daily ranking.

Sealed record

What the Archivists did not say

This record reveals the end of the story. If you would rather play first, do not break the seal.

You are the Last Geometer

64 - The Lost Board, on the App Store for iPhone and iPad.