Well, it's hard to say which games really made such a great impact, but I think first off there would have to be a clear criteria set. So they said games that were the firsts in a genre...

Let's see, I'd categorise them like this:

First ever:
game (it's the one that proved that computer games can be used to have fun, not just to simplify work).
multiplayer game (two people playing against each other using a computer).
game that allowed two players accomplishing a task together.
game that for continuation later on (save game option).
game that included computer inteligence (so it wasn't just avoiding randomly generated obsticles).
game that allowed a mulitplayer option on different computers (no matter how they were connected).
online game that included a huge number of players who could join up.

<div class='quotetop'>QUOTE(gufu1992 @ May 26 2007, 03:56 PM) [snapback]291474[/snapback]</div>No, not really, it's a great game, but nobody really bought it, so it wasn't revolutionary in any way, it's the same reason behind why games like Outcast, Thief or Deus Ex didn't really push the industry forward, because not enough people played the games. You can't call a game one of the most important of all time just because it's really good.

I don't think sales figures speaks of how revolutionary a game is. Little Computer People was, even in it's haydays, a largly unknown game, still the idea behind it lead to Sims. The idea of having the game play itself while you could interfer was pretty revolutionary.

It pretty much does have to do well sales-wise, either that or just be extremely popular. You can't really say that an idea leading to the title that does the work itself is revolutionary.

I partially disagree. A revolutionary game can be called so because of the new concept everyone follows I believe. A revolution spawns new ideas, not more revenue.

I said partially, coz if a game is a huge success without bringing any new ideas to the industry, chances are other game developers copy that game and so we get a new line of games. The thing here is: Can that be called a revolution when nothing has changed? I don't know.

Revolutionary games scare off people for quiet some time - and usually never credited, unless created by a large-scale company...