Mario 64 easily.
Crash was basically a 2D game stretched into three dimensions. The same kinds of mechanics we'd come to know since the NES, but now the goal is reached by going forward instead of right, and you can move laterally a little bit. And it was fun for what it was.
Super Mario 64 was truly revolutionary. It really defined what can be done with 3D controls. Now that things could be approached from multiple angles, you could focus on exploration, and platformers no longer had to be linear. Leaps and bounds above any other 3D game of the time.







