Moonlit Gambit

Chess - a cozy offline board game

Mind your king. Standard chess on a moonlit board. Cream pieces against velvet midnight, lit by a lantern moon.

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Inside Just One More · iPhone & iPad · iOS 18.2+ · Free with in-app purchases

📵Plays fully offline
🪶Four difficulty levels
🎲5 ways to play
👥Pass and play with a friend

How to play Chess

Standard chess on a moonlit board. Cream pieces against velvet midnight, lit by a lantern moon. Play the bot at four levels, or pass-and-play with a friend.

The Goal: Checkmate

Trap the enemy king so it has no safe square to escape to and no way to block or capture the attacker. That's checkmate, and it ends the round in your favor. Everything else is in service of this.
Tap a Piece, Tap a Square

Tap one of your moonlit pieces to light up its legal moves: quiet dots for empty squares, glowing rings for captures. Tap a highlighted square to play the move. White moves first, then players alternate.
The Pawn

Pawns step one square straight forward, or two from their starting row. They never move backward. They capture only diagonally forward (the ringed squares), never straight ahead.
The Knight

Knights leap in an L: two squares one way, then one square at a right angle. They're the only piece that jumps over others, landing on any of up to eight squares.
The Bishop

Bishops glide any distance along diagonals, until a piece blocks the way. Each bishop is stuck on one square color for the whole game.
The Rook

Rooks slide any distance along ranks and files, straight lines across and up and down, until something blocks them.
The Queen

The queen combines rook and bishop: any distance in any straight line, across, up, down, or diagonally. The most powerful piece on the board.
The King

The king moves one square in any direction. It can never step onto a square attacked by an enemy piece, and it can't be captured, only trapped.
Check Must Be Answered

When your king is under attack, the HUD flashes CHECK and you must respond immediately: move the king to safety, block the line of attack, or capture the attacker. You can't leave your king in check or make a move that exposes it.
Castling

Once per game, if neither the king nor a rook has moved and the squares between them are empty, tuck the king to safety: move the king two squares toward the rook and the rook hops to its far side. The king can't castle out of, through, or into check.
Promotion

Push a pawn all the way to the far rank and it transforms. Choose what it becomes: queen, rook, bishop, or knight. Almost always a queen.
En Passant

When an enemy pawn dashes two squares to land right beside yours, your pawn may capture it on the very next move as if it had only stepped one square. It's the only capture that lands on an empty square, and it's offered automatically when it's legal.
Stalemate Is a Draw

If the player to move has no legal move but their king is NOT in check, the round is a stalemate, a draw. So when you're far ahead, leave the enemy king a safe square: trapping it with no legal move and no check throws away the win.

Four difficulty levels

Every level keeps its own streak, best and high score, so climbing costs you nothing.

Easy: A friendly sparring partner. Develops normally and recaptures, but misses the sharper tactics.
Medium: Plays solid opening principles and stops you from hanging pieces. A patient club beginner.
Hard: Reads several moves deep with positional judgment. Punishes loose play.
Very Hard: A strong club player. Opening book, deep search, king safety and pawn structure all on. Mates are real.

5 ways to play Chess

Classic Chess plus 4 more, each with genuinely different rules rather than a fresh coat of paint. Every one keeps its own difficulty ladder and its own best score.

Chess960

The court draws lots.

The back rank reshuffles every match.

How Chess960 differs

A Fresh Back Rank, Every Match The court rearranges overnight. Bishops still sit on opposite colors and the king still rests between the rooks, but their files roll fresh every game, mirrored on both sides.
Pieces Move the Classic Way Pawns, knights, bishops, rooks, and queens move and capture exactly as before. Only the opening shapes are new. The middlegame still feels like home.
Castling Still Works Kingside still lands the king on g-file and the rook on f-file; queenside on c-file and d-file. The king and rook must be unmoved, the path empty, and the king's slide must not pass through check.
Checkmate the Drifted King The opening is the puzzle; the endgame is the same warm dance. Trap the opposing king and the round is yours.

Fog of War

What you don't know, can kill you.

Only the squares your pieces can see.

How Fog of War differs

Mist Hides the Board Squares your pieces can't see fade into a quiet mist. Captures, threats, and the opponent's pieces only emerge when one of your own can look there.
If You Can Move There, You Can See There Each piece reveals only the squares it could legally move to right now. A rook reveals its files and ranks up to the first piece it could land on. A pawn reveals the square ahead only when it's empty, and a diagonal only when an enemy piece sits there to capture.
Step Bravely Into the Mist Your pieces can move into hidden squares. Sometimes you'll find quiet ground; sometimes a sword in the dark. The mist parts as your line of sight grows.
Checkmate Still Decides It Standard rules of victory apply. The mist hides danger, but mate is mate. Move carefully; what you can't see can still pin your king.

Atomic

Mind the fallout.

Every capture detonates.

How Atomic differs

Every Capture Detonates Any capture explodes the destination square. The captor, the captive, and every non-pawn piece in the eight surrounding squares vanish in the blast. Pawns survive.
Pieces Still Move the Classic Way Pawns step forward and capture diagonally, knights leap in L-shapes, bishops glide diagonally, rooks on ranks and files, queens both. Castling, en passant, and promotion all unfold as you'd expect.
Kings Cannot Capture A king that captured would explode itself, so kings only move to empty squares. The two kings may even sit on adjacent squares. Neither can detonate the other, so they often shelter near each other late in a round.
Mind Your Own King A capture next to your own king is illegal. You can't blow yourself up. So a pawn shell around your king is the safest fortress in the game: pawns survive blasts, and the enemy can't get a capturing piece flush against you.
Explode the Opposing King Win the moment the enemy king is caught in a blast, even if your own king is in check. Standard checkmate also wins, but mate is rare here; most rounds end in an explosion, not a back-rank pin.

King of the Hill

It's lonely at the top.

Climb your king to one of the four summit squares to claim the throne.

How King of the Hill differs

Climb to the Summit The four center squares (d4, d5, e4, e5) are the throne. A king that legally steps onto any of them wins instantly. Both sides race for it.
Pieces Move the Classic Way Pawns, knights, bishops, rooks, and queens move and capture exactly as before. Only the second victory condition is new.
Guard the Summit Too Your opponent's king wants the throne just as badly. Cover the center squares with pieces and pawns so their king can't safely set foot there. A king still can't move into check.
Checkmate Still Wins Standard rules of victory apply alongside the summit win. Trap the enemy king or beat them to the throne, whichever comes first.

Chess plays completely offline

Every round of Chess is generated, played and saved on your own device. There is no account, no sync and no server to reach, so it works the same on a plane, in a tunnel or with the phone in airplane mode.

Questions about Chess

Does Chess work without internet?

Yes. Chess generates every round on your device and saves your progress there too, so it plays exactly the same on a plane, on the underground or with the phone in airplane mode. Nothing in Just One More needs a connection.

How hard does Chess get?

There are four levels. Easy is "A friendly sparring partner. Develops normally and recaptures, but misses the sharper tactics." Very Hard is "A strong club player. Opening book, deep search, king safety and pawn structure all on. Mates are real." Your streak, best and high score are tracked separately for each level, so moving up never costs you what you earned lower down.

Are there other ways to play Chess?

Yes. 4 more games share the Chess board, changing the rules rather than the look: Chess960 (The back rank reshuffles every match), Fog of War (Only the squares your pieces can see), Atomic (Every capture detonates), King of the Hill (Climb your king to one of the four summit squares to claim the throne). Each keeps its own difficulty ladder and its own best score.

Can two people play Chess on one phone?

Yes. Chess offers pass-and-play alongside the bot, so two people can share one device and alternate turns. Personal stat chips are hidden in that mode, because a shared board is nobody's streak.

Is Chess free?

Yes. Chess and the other 68 games in Just One More are free to play and ad supported, with an optional one-time Remove Ads purchase. No game, level or difficulty is locked behind a payment.