Evidently you do not recall the so-called 'plot'.

I have no clue what the plot is, and was only vaguely aware that the game existed in the first place.

How can you not know Asteroids? It's the one with the little white triangle ship that you spin around and use to blow up big white rock-shaped things and the odd alien. Classic stuff.

Vaguely aware of Jedi Academy. Of course I knew about Asteroids.

I'm gonna take another stab at this and say Runescape. It's what I always play when I'm listening to stuff on the BBC Radio Player because it requires almost no attention whatsoever to do (though that might mostly be to do with the fact that levelling up of any kind in any PC game of that nature merely becomes an RSI-inducing click-fest after a while).

Oh, what kind of game is that?

www.runescape.com

Or you can play through Miniclip.

Fifa 24,354.
What?
I think you need to be mindless to play them.

Puh-huh?

Football games. And it's true.