Custom Field Options
When creating a custom field you are greeted to the following options,Global Field
A Global Field is present on all categories. This reduces the need for having multiple custom fields options that are all the same but for different categories. Having a Global Field called "Short" for example, will have a "Short" Text Box or Text Field appear on all of your categories.
Previously one had to create a "Short" field for each individual category.
Games
A games custom field is present on all games and can be accessed on through the "Manage Games" area of the admin panel or on the front end by using {FIELD NAME HERE} on a game page.
User Profiles
A user profiles custom field is shown on a user's profile.