Atari 2600, NES or PS1.
Each of these expanded the gaming market exponentially. They were milestones in video game history. So I'd call them revolutionary.
The Wii also expanded the market, but then lost it right away... so it was more like a failed coup d´etat than a revolution.
No troll is too much for me to handle. I rehabilitate trolls, I train people. I am the Troll Whisperer.







