From Infocom/ActiVision, a game for PC called "Return to Zork".  It includes 1 CD and a game manual.  The package is open but has not been used/played.  

Minimum system requirements:  100% IBM PC-compatible computer, 486/DX2--66 MHz processor, 8 MB RAM.

Includes a CD jewel case with 1 CD and manual; total weight is 6.7 ounces.   CD jewel case measures 5.5" x 5" x 0.25".  

Stored in a smoke-free, climate-controlled home.  Shipment by US Postal Service 1st Class mail.