There have been a ton of Sonic games, but these were the moments that got people talking and debating the most.

For every Sonic the Hedgehog 2 or Sonic 3 & Knuckles ... but for an outside studio’s first take on the IP, at a time when 3D gameplay was in its infancy, it holds up fairly well.

While most people not familiar with the games are familiar with Sonic and maybe even Tails, the introduction of Knuckles in Sonic the Hedgehog 2 and Shadow ... becoming a gameplay mechanic in ...

If you're a Sonic the Hedgehog fan, the phrase "Sonic had a ... to go fast and others glorifying the momentum-based platforming gameplay, which is fair enough, given how unique it still is.