Hackenbush Unrestrained

This game is taken from the book On Numbers and Games by John Conway (Academic Press, 1976). This is the most basic form of Hackenbush. More complicated versions of the game are Hackenbush Restrained, Hackenbush Hotchpotch, and Technicolor Hackenbush.

What you need

Hackenbush Pictures

A Hackenbush Picture looks a little bit like a connect-the-dots picture that is inside a frame. Here is an example:

Notice that:

How to play