The phrase "mission structure" refers to the way a mission or task is organized or structured. It includes the plan, order, or arrangement of the different activities or steps required to complete the mission successfully. Full definition
I soon realized that the game's repetitive mission structure does not lend itself well to a replay. (riddlethos.com)
There's absolutely nothing that I can think of that is new or innovative in the games mission structure. (darkstation.com)
Race from coast to glorious coast with a fresh new mission structure, a license mode and online play, with up to 6 players for a thrilling head - to - head journey. (metacritic.com)