Hello,
Sorry you are having a problem but I tested and it seems to work for me.

######################################
# Adventuron #
######################################
start_at = my_location
start_theme = two
locations {
my_location : location "You are in a room." ;
}
integers {
int_select : integer "0" ;
}
on_startup {
: print "Which one?" ;
: ask_int question = "1. Green 2. Red" var = "int_select" ;
}
Chris