You’re right that SS13 basically doesn’t have an actual… game, that everyone is playing, so the goofing off an being morons doesn’t ruin the game… becauase there isn’t one.

Various individuals will sometimes get specific objectives… but they don’t even have to do them.

Its basically a chaos simulator.

You can define ‘winning’ as surviving…

…or you can define it as ‘I transmuted a monkey into a clone of the janitor, killed the janitor and gave the monkeyman the janitor’s id, and even though monkeyman collapsed my cranium, no one realized the janitor was an actual monkey’.