Games That Invented Genres?

[Bofferbrauer2]

Kaunisto said:

Could Pirates! be defined as beginner of some genre? Elite was the first freelancer game, but it's still pretty different.
What about SimCity? What city builders existed before that?
Do we count Breakout separate genre from Pong?
And I don't think anyone has said Tetris.

You could do so many things in Pirates! that it could be considered one of the first (if not the first) genre-busting games, as in, Games that have their fingers in so many genre pies tha they don't fit into any category anymore.