Paper Soccer Paper Soccer
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You vs the neural net

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our AI?

Play a full match of Paper Soccer right here in your browser. No download, no signup — just you against a real neural-net opponent.

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How to play Paper Soccer

Paper Soccer (also known as piłkarzyki na kartce) is a classic two-player pen-and-paper game played on squared paper. You walk a “ball” across the pitch and into your opponent’s goal — using nothing but straight lines between dots.

The pitch

Draw a rectangle on grid paper (the classic size is 8×10 squares), with a small 2×1 goal in the middle of each short edge. The ball starts on the centre dot.

Making a move

On your turn, draw one line from the ball’s dot to a neighbouring dot — straight or diagonal, one square long. The end of that line is the ball’s new spot, and it’s your opponent’s turn.

Two rules that make it a game

  • No reusing lines. You can never draw over an existing segment, and you can’t run along the border. Box yourself in and you’re stuck.
  • The bounce (odbicie). If your line ends on a dot that already has a line through it — or on the edge of the pitch — you bounce: you immediately get another move. Chain bounces together and you can dash across the whole pitch in one turn.

How to win

  • Score by getting the ball into your opponent’s goal.
  • An own goal counts for your opponent — be careful near your own net.
  • If it’s your turn and you have no legal move, you lose.

FAQ

Is paper soccer hard?

The rules take 30 seconds; mastering the bounce takes a few games.

Can I play paper soccer online for free?

Yes — right here, no download and no signup.

What size is the board?

The classic pitch is 8×10 squares with 2×1 goals.

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