I've tried to use the egameps package but again that doesn't work at all. For example if I load the packages: egameps, pstricks and pstcol and try an example from the egameps pdf http://www.economics.utoronto.ca/osborn ... gameps.pdf , like this one:
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\usepackage{egameps}
\usepackage{pstricks}
\usepackage{pstcol}
\begin{document}
\begin{figure}[htb]
\hspace*{\fill}
\begin{egame}(600,280)
%
% put the initial branch at (300,240), with (x,y) direction
% (2,1), and horizontal length 200
\putbranch(300,240)(2,1){200}
%
% give the branch two actions, label it for player 1,
% and label the actions $L$ and $R$
\iib{1}{$L$}{$R$}
%
2
% put a branch at (100,140), with (x,y) direction
% (1,1) and horizontal length 100
\putbranch(100,140)(1,1){100}
%
% give the branch two actions, omit a player label,
% label the actions $a$ and $b$, and assign the payoffs
% $1,0$ and $2,3$ to these actions
\iib{}{$a$}{$b$}[$1,0$][$2,3$]
%
% put a branch at (500,140), with (x,y) direction (1,1)
% and horizontal length 100
\putbranch(500,140)(1,1){100}
%
% give the branch two actions, omit a player label,
% label the actions $c$ and $d$, and assign the payoffs
% $0,1$ and $-1,0$ to these actions
\iib{}{$c$}{$d$}[$0,1$][$-1,0$]
%
% draw an information set between the nodes at (100,140)
% and (500,140)
\infoset(100,140){400}{2}
%
\end{egame}
\hspace*{\fill}
\caption[]{An extensive game}\label{f:one}
\end{figure}
\end{document}
