changed the game

Rewrote the rules

Changed the game means introduced something that fundamentally altered how things are done in a field or activity.

The phrase treats competition or industry as a game with established rules, and credits an innovation, person, or event with rewriting those rules: The iPhone changed the game for smartphones.

Often shortened to game-changing as an adjective.

Related

invention · paradigm shift · trailblazing · ahead of its time · domino effect · first-mover · catalyst · revolution · legacy · recalibration · breakthrough · zeitgeist · transformation · before and after · new era · pioneering · trendsetting · raised the bar

Opposites
impact magnitude

changed the gamebusiness as usual

Continuation of normal routine

innovation vs. convention

changed the gameplayed it safe

Acted to minimize risk

colored inside the lines · toed the line · followed the crowd

legacy and lasting effect

changed the gamecame and went

Existed only temporarily

Family

change, changed, changing, changes, changer, changers, changeable, unchangeable, unchanged

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Positive · Everyday, not technical · Rated G