Which Madden NFL game introduced the Superstar X-Factor ability system?

The Madden NFL game that introduced the Superstar X-Factor ability system is Madden NFL 20. The system gave selected elite players powerful signature abilities that could activate during a game after they completed specific goals.

Superstar X-Factors were designed to make star players feel more distinct from one another. For example, a quarterback, receiver, pass rusher, or running back could have an ability reflecting a recognizable real-world strength. Once activated, the ability could significantly improve a player’s performance; an opponent could usually deactivate it by meeting a counter-condition, such as forcing an incompletion or making a tackle for loss.

Madden NFL 20 launched on August 2, 2019, for PlayStation 4, Xbox One, and Windows. Its cover athlete was Kansas City Chiefs quarterback Patrick Mahomes, whose spectacular 2018 season helped define the game’s emphasis on standout playmakers. The game also introduced Superstar KO as a later post-launch mode.

A common mix-up is placing the feature in Madden NFL 19 or Madden NFL 21 because the system continued evolving in later editions. Madden NFL 20 is the first installment credited with introducing Superstar X-Factors, while subsequent games expanded the ability roster and presentation.