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Known games

SOS — write S or O, make SOS

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Players take turns writing an S or an O in an empty square. Make S-O-S in a line and you score and go again. Every letter you write may also set up your opponent.

From SOS, a pencil-and-paper game.

What it shows a designer

Both players write the same letters, so anything you write can help your opponent. It shows how shared pieces create tactics of giving and avoiding.

Credits

Made by
Traditional
Sources
en.wikipedia.org/wiki/SOS_(paper-and-pencil_game)
www.braingle.com/games/paper-pencil/5/sos.html

What you need

  • paper
  • a pen each

How to play

  1. Grid. Draw a grid of 4 by 4 squares.
  2. Write a letter. Toss a coin to see who starts. On your turn, write S or O in any empty square. You may choose a different letter each turn.
  3. Score. If your letter completes S-O-S in a straight line, across, down or diagonally, you score a point for each new SOS and take another turn.
  4. Full grid. When every square is filled, the higher score wins. Equal scores are a draw.
  5. Careful. An S, an O and an empty square in a line, or two S's with an empty square between them, is a gift to your opponent.

After playing, talk about

  • When did you write a letter only to avoid giving a gift?
  • Did the extra turn after scoring change the game?
  • How did the end feel when every square left was dangerous?

Its blocks

Download it as a design (.md)

In boardgameBuilder, Open game puts its blocks on the canvas. Changed, the same file can come back here from Propose a game.

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