sporey✳
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3 × 3 × 3 TIC-TAC-TOE

Small spores.
Big connections.

Grow your colony. Three in a row, across any dimension.

Sporey is in beta. Expect changes and occasional bugs. Use Feedback to report a problem.
Three-dimensional tic-tac-toeNew here? Learn the rules before your first move.
×
Your move
You’re X. Choose any open square.
00 / 27
Connecting guest…
Playing on layer 3 · top
Coral caps · X   Moon caps · O · ◆ secured · Online: final defence on a winning move
PRACTICE WITH THE FOREST

You are the coral colony. Every empty square is playable.

X 0Draw 0O 0
© 2026 Trevy Trev

Three-dimensional tic-tac-toe.

Play on three stacked boards, each with a 3 × 3 grid. Take turns placing your mushroom on an empty square.

Win the game: get three of your mushrooms in a straight line. Your line can run across, down or diagonally on one board—or vertically or diagonally across all three layers.

The twist: challenge a square.

Online PvP: a battle happens only when a newly placed mushroom would win the game. The opponent gets a final defence on that square. Each player clicks Roll my die for their own roll. Each square can be contested once.

Solo practice and Same device retain the original rules: you may also challenge an unsecured enemy square instead of placing.

Win the battle: both players roll one six-sided die. The higher roll wins the battle. Ties roll again.

The battle winner owns the challenged square: the challenger takes it, or the defender keeps it. That square is then secured (◆) and cannot be challenged again.

After the battle: the battle winner plays next. If owning the square gives them three in a row, they win the game.

A chance to defend: when a newly placed mushroom makes three in a row, the opponent gets a final challenge on that square before the win is confirmed. The same battle rules apply. A winning capture is final because that square has already been challenged.

Using the board

Choose Top, Middle or Bottom, then tap a square. Matching positions sit directly above one another. Drag to rotate, or choose Flat layers to see every square. Coral mushrooms are X; moon mushrooms are O.

Online games end in a draw if the board fills without a winning line. In practice modes, unsecured enemy squares can still be challenged.

Online rooms and matches are saved on the server. Reopen your invite link in the same browser to return to your seat. Guest access uses a browser cookie; clearing it loses your seat. Optional accounts save your username and online match and dice-battle history across devices. Save the recovery code shown when you create your account; email password resets are not available. Practice scores stay in this browser.

On Android, use Chrome’s menu → Add to Home screen or Install app for quick access.

Dice battle

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    MYCELIUM BATTLES · FREE DEMO

    Three-dimensional
    tic-tac-toe.

    Three stacked 3 × 3 boards. Get three mushrooms in a straight line, on one board or across all three layers, to win the game.

    1. Play: place a mushroom on an empty square, or challenge an opponent’s occupied square.
    2. Battle: both players roll. The higher roll wins the battle. Ties roll again. The winner owns the square and plays next. Each square can only be challenged once.
    3. Win: you still need three in a row to win the game. A newly placed winning mushroom faces a final challenge before the win is confirmed.

    Choose a layer before tapping the 3D board. Flat layers gives you a clear view of every square.

    Two players share this device. No account or payment needed. Scores stay on this browser. Shared visit and game counters are not enabled in this deployment. Written feedback is only shared when you choose to send it.

    Help shape the next round.

    Send your feedback directly to Trevor’s private inbox. Includes your answers, comment, game mode, board and room code; your username is included when signed in. Please avoid sensitive information.

    SPOREY · ONLINE PVP

    Grow a rivalry.

    Three layers. Three in a row. A final dice battle to defend your win.

    Free guest play. Your seat stays in this browser for seven days after the room’s last move. Keep cookies to rejoin. Quick match pairs you with another waiting player; invite a friend if nobody is online.

    Create an optional account to save your username and online battle history across devices.

    Sporey’s growing.

    Online means a visible page active in the last 90 seconds. Peak tracking starts with this update. Total visitors are measured by browser cookies (multiple tabs count once); these are browsers, not verified people. Country comes from Cloudflare’s approximate location; no IP addresses are stored.

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    SPOREY ACCOUNTS · BETA

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    My battles

    DateOpponentGameDice battlesRoom

    Recent dice battles

    Dice battles appear when a winning placement is contested.

    Showing up to 50 games and 100 dice battles. Rooms expire after seven days without activity; your history remains.