Battle of the Titans: What was more influential to the gaming industry, Mario 64 or GTA3?

[episteme]

Mario 64.
It wasn't the first game with 3D free-roaming, but it made it mainstream.

GTA 3 had many 3D open world predecessors like Super Mario 64 itself, Ocarina of Time, Body Harvest, Midtown Madness, Driver, Shenmue or Midnight Club.