What Does Iterative Game Design Mean?
Iterative game design is the process by which a video game is repeatedly proposed, prototyped, play tested and reevaluated prior to working product release. Iterative game design operates on the following principle: It is unrealistic to create an ideal product on the first try.
Techopedia Explains Iterative Game Design
Iterative design is applied in many fields but has had an outsized impact in gaming. Game designers use prototyping and play testing techniques to ensure game element functionality and expand or discover game concepts for increased user enjoyment. Many game studios have professional and volunteer play testing groups that test prototypes and provide vital feedback for subsequent prototypes.