[OtterCoder]

[spoiler]

Eventually you end up in a self-replication phase. Replicas are sometimes imperfect, so you have to defend yourself from rogue-rogue AIs.

[/spoiler]

[waleedka]

[spoiler]

I interpreted that as fighting against other civilizations that are trying to stop your progress and protect the universe.

[shokk]

Civilizations resorting to killer AIs in desperation to stop your progress.