to elaborate I'm going to give you a couple of examples

Prince of persia because it made use of motion capture technique called rotoscoping that was never used before apart from in karateka (which was made by the same designer). By that prince of persia was the first cinematic platformer and inspired many games in this subgenre (another world for instance). It's success also launched the prince of persia series.

Prince of persia ; Sands of time created the building blocks for assassins creed when it comes to climbing mechanics.

L.A. noir is the first game that used motionscan

Double dragon is on there because it was the landmark for 2d side scrolling beat em up titles