The SGM was intended to expand the memory and power of the ColecoVision, allowing for more advanced games with better graphics, gameplay and additional levels.
Ebum n'uche SGM iji gbasaa ncheta na ike nke ColecoVision , na-enye ohere maka egwuregwu ndị dị elu karị na mma ndịna-emeputa, egwuregwu na ọkwa ndị ọzọ.