Keyboard keys were tested and work good. Reads games. Sound works. No further testing was done. The video modulator is untested, as is. Includes 2 games; TI invaders and Picnic Paranoia. Sold as is, as described. Some light dust on keys, Few surface scratches, etc. See photos. Box shows marks and wear, some tears and small holes, etc. Comes with what is shown in photos.