[einbert]

I think it is pretty ridiculous to do this with no categories, just all video games bundled into one topic.

That said, I have a few (somewhat esoteric) nominations.

World of Warcraft
Final Fantasy XI
Katamari Damacy
Final Fantasy Tactics

But...yeah...no way this is going to work without categories.

Maybe something like:
Singleplayer RPG
First Person Shooter
Platformer
Online Multiplayer (MMOs and games like Unreal Tournament might all fall into this category)
Innovative (ie Dance Dance Revolution, Katamari Damacy)
Fighting

This might be a good starting point for a list.