gistfile1.sh

#!/bin/bash 

cd $GAMEDIR

while true; do
  EDITED=$(find -mmin -30 -type f | wc -l)
  if [ "$EDITED" = 0 ]; then
    notify-send "It's been 30 minutes, and you haven't done anything.  You've lost your surfing privileges, buddy."
    pkill chrome
  else
    EDITED=$(find -mmin -10 -type f | wc -l)
    if [ "$EDITED" = 0 ]; then
      notify-send "No files updated for 10 minutes, if you keep at it - you'll lose your surfing privileges."
    fi
  fi
  sleep 60
done