Portal: Will there be none?

Eight personality cores trying to bake a cake.
The baker got incinerated and then there's seven.

Seven personality cores playing hide-and-seek.
The mute one was not seen again and then there's six.

Six personality cores looking for something.
One (curiously and accidently) activated the MASHY-SPIKE-PLATE,
Now there's five.

Five personality cores took a relaxation test.
One just can't take it easy and then there's four.

Four personality cores compare their IQ.
Since one was too smart for comfort, the number became three.

Three personality cores went on an adventure.
One trip on an (aperture science) explosive and then there's two.

Two personality cores looked at the stars and wish.
One core got his wish and then there's one.

One personality core, all alone
with a help of a human friend, took control of the facility
and got corrupted himself.

And then will there be none...?