Originally Posted by Agent X
This, along with the "different yet still worthwhile" conversions, is what makes the 2600 more desirable in some collectors' eyes than the ColecoVision and the 5200. The CV and 5200 have some great arcade conversions for the time, but most of their games are now available in even better versions (C64, NES, SMS, 7800, Genesis, or emulated from the actual arcade games themselves), and neither system offers a sizeable library of desirable, original, "can't get 'em anywhere else" games that the 2600 did. This is also one of the main reasons why compilations of CV and 5200 games haven't appeared on modern systems.