MobyGames is made of several websites to help you focus on the systems that you are interested in. Below is complete a list of sites:
Additionally, there is The MobyStore that allows you to purchase hardware and other non-software related items. And we have a Codes site (codes.mobygames.com) that is dedicated to Cheats, Codes, Walkthroughs, Hint and Tips. This site allows you to get access to this information quicker than using one of the sites above.