Two players · dot graph

How to play Sim

Six dots in a hexagon. Take turns joining two of them with a line of your own. Whoever completes a triangle of their own lines loses.

Sim drawn on paper

What you need

How to set up

Draw six dots in a hexagon. Pick a colour or style each: solid or dashed.

  1. Step 1

    1. Draw six dots in a ring, like the corners of a hexagon.

  2. Step 2

    2. Take turns joining two dots: one player solid lines, the other dashed (or two colours).

  3. Step 3

    3. Whoever closes a triangle of their own lines loses.

How to play

How to win

Avoid making a triangle of your own lines. The first player to close a triangle of three of their own lines loses. There are no draws.

Tip Before every line, check both of its dots: do you already have a line from each of them to the same third dot?

Play Sim in the app

Every game comes with a step-by-step tutorial and printable sheets.

Play in the app