A Fantasy Sports Tiers Game Style is a type of contest in which Fantasy Sports players select athletes from predefined groups often categorized based on their expected performance, position, or popularity. These groups or "tiers" are pre-selected by DraftKings. The number of Tiers may vary based on the Game Set.
View this visual example below.
Fantasy Sports Tiers contests allow Late Swaps, except for non-team sports such as golf. You can learn more about Late Swaps.