USAGE: stage [options] <worldfile1> [worldfile2 ... ]

Available [options] are:

--clock : print simulation time peridically on standard output

-c : equivalent to --clock

--gui : run without a GUI

-g : equivalent to --gui

--help : print this message

--args "str" : define an argument string to be passed to all controllers

-a "str" : equivalent to --args "str"

-h : equivalent to --help"

-? : equivalent to --help