The bottom part of the box is missing.  It is a 2 piece box style. The disc and inserts are in good to very good condition. 
The Game is 25+ years old and works on MS-DOS.  Those playing with modern computers may have to adjust some settings or use emulation to get it to work. Please make sure that your operating system can work with this. 
If there were any codes etc., just assume they have been used.