this post was submitted on 13 May 2025
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Rules:

  • History of the world before your birth remains the same; only events happing after your birth can be changed.
  • The other version of you must still be alive, you cannot go to a world that you are dead in. (This essentially forces you to murder/abduct your alt-self, so travelling has a ethical cost to it πŸ˜‰)
  • There may be other multiverse travellers out there

(Btw, is it ethical to murder an alternate version of your self? Is that even murder or just self-harm technically?)

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[–] [email protected] 21 points 4 days ago (2 children)

Why would I be forced to murder myself in an alternate universe by existing in it simultaneously?

Since I cannot travel to a universe where my alternate self is dead, what happens after they die in their universe if I cannot exist in it without them?

Did you recently watch "The One"?

[–] [email protected] 13 points 4 days ago

This. I don't understand why murdering your alt-self is "necessary". Wouldn't you actually want to preserve your alternate-self at all costs, to ensure you can continue to make return trips?

The real issue here is that - if your home reality works by the same rules - once you leave it, you can never return home ever, because no alternate version of yourself exists in the one you originated from after you leave it.

Before you say "hey, that sounds awesome, this place sucks!", consider that finding a better reality is not guaranteed.

[–] [email protected] 3 points 4 days ago* (last edited 4 days ago) (3 children)

No, I watched Dark Matter (the 2024 show)

This prompt is based of it (its not exactly how the rules are in the show, but I modified it to increase the ethical dilemma)

what happens after they die in their universe if I cannot exist in it without them?

If they die, they just die, you can still leave, but you won't be able to go back there again, neither can any versions of "you".

There can be unlimited number of "you" in a world, but that can cause issues with the world. I mean, think about it, the authorities are gonne be like "WTF" since you never had a twin on record. And problems go even further if there are like 3, 4, or 5 versions of you existing in the same world. The world doesn't care, but like, the authorities are gonna put you in a blacksite and run experiments on you. I mean, unless you can find a world where the other "you" doesn't care that you have the face as them, and just poped out of thin air and there is no birth record of you.

I mean, if another version of me just appeared, I'm gonna feel threatened and probably kill him for self defence (so he doesn't get ideas to try to take my place).

Edit: Unrelated, but the 2015 Dark Matter is also great, whole different premise, and its also interesting to watch.

[–] [email protected] 4 points 3 days ago

You do you. I would just hide my other self, but if you want to kill them... that's on you

[–] [email protected] 2 points 3 days ago (1 children)

I mean, if another version of me just appeared, I’m gonna feel threatened and probably kill him for self defence (so he doesn’t get ideas to try to take my place).

If you're the kind of person who sees an alternate version of yourself and jumps immediately to killing in self defense... then yeah, it's probably a good idea to kill your alternate self in self defense.

[–] [email protected] 1 points 3 days ago

Lol, its kinda like a dilemma.

If you are an absolute pacifist, you all live.

If you are a war mongerer, many of you will die, perhaps all of you will.

If you are like 50% pacifist 50% violent, the 50% of universe where you are a pacifist will get absolutely destroyed by the other 50% violent "you"s.

But, I can't be sure. If there is even a chance of them being the evil ones, I'll have to give up any shred of pacifist ideals that remains in me and just go total "kill or be killed" mode.

[–] [email protected] 1 points 3 days ago* (last edited 1 day ago)

Bro I've never seen someone tell on themselves so hard using a science fiction themed writing prompt πŸ’€

[–] [email protected] 10 points 3 days ago* (last edited 3 days ago) (1 children)

I go from universe to universe collecting all the copies of me, then we get together and decide which one will be the easier to take over, then we take over that universe. Then we either rule as a hive mind or I kill the disloyal versions of me

Considering I was born with a deadly genetic illness that would eliminate me from most universes with out very advanced medicine so this might be a difficult task, unless I guess I’m the only genetically flawed version

[–] [email protected] 4 points 3 days ago

The Council of Ricks is now suing you for copyright infringement.

[–] [email protected] 10 points 3 days ago

I'm not seeing any reason to harm my other self.

If we were concerned about ID, we could just take turns leaving the house. We'd discuss any differences we could find between the universes, maybe eventually the self that started in that universe could hop to a third one... infinite hotel style.

But I think the best option would be for the two of us to become a magician.

[–] [email protected] 9 points 3 days ago

Why would I have to abduct my alternate? Can't I just make a living for myself in the the other universe? I'd be going to one that had much more liberal ideas about identity and needing money. I'm old enough that decisions made during my lifetime could* have lead to fairly different state if lefty / anarchist forces had been more successful than oligarchs and right-wing reactionaries.

*I'm assuming the point of multiverses is they don't need to be highly likely, just logically possible.

[–] [email protected] 9 points 3 days ago

Knowing my ass i'd just go to meet another version of myself to have another set of eyes on a problem/subject to study that understands my twisted way of thinking. Fix that problem and then leave.

[–] [email protected] 5 points 3 days ago

Would totally have sex with myself

[–] [email protected] 5 points 3 days ago (1 children)

I murder them all one by one, absorbing their life force into my own, becoming stronger with every kill.

[–] [email protected] 3 points 3 days ago* (last edited 3 days ago) (1 children)

Jet li? What are you doing on lemmy

[–] [email protected] 2 points 2 days ago

Looking for my next target.

[–] [email protected] 5 points 3 days ago (1 children)

About the ethics of murder or other crimes in alternate universes : I actually pondered this quite a bit before. Imagine a world where accessing parallel realities is accessible to everyone (wether it be time traveling or "booking" a divergent universe to do as you wish). Well it could be morally accepted that it's an OK means of stress relief to insult, vandalize, harm, kill torture in these realities (as long as you behave in the main reality). My conclusion is that hurting people is wrong, even if you can revert the timeline or delete the universe as if you hadn't done anything. Hurting people in the moment is wrong even if there are no consequences on the world around you, because there is still a lasting change on yourself.

[–] [email protected] 2 points 3 days ago

I appreciated reading your comment. Thanks for making it :)

[–] [email protected] 2 points 3 days ago

Imterdimensional crime boss, day 1. Two of yourself means you have a rock solid alibi at all times. How could I have possibly committed a crime while I'm at the DMV renewing my license? Even if I'm caught on camera I dgaf. He ain't me. Don't need to run from the cops if you can portal to a different universe. All you need to do is to figure out one good crime and repeat for literal infinite profit.

[–] [email protected] 5 points 4 days ago

The Council of Sanctus will convene on the multiversal date of 4829E26. The meeting will discuss the importance of jams on a variety of grain derivatives.

[–] [email protected] 5 points 4 days ago

I just finished watching Dark Matter and I have zero desire to go to travel the multiverse. I'll stay right where I am thank you very much.

[–] [email protected] 3 points 3 days ago

Imagine having the power but not the ability because you're the last one left.

[–] [email protected] 1 points 3 days ago (1 children)

Wouldn't that mean you could never return to your home universe because a living version of you would be absent?

[–] [email protected] 1 points 3 days ago* (last edited 3 days ago)

Yes, precisely. This makes the multiverse travelling aspect even more exciting.

(I mean, unless there was somehow already an alt-you from another universe that secrely sneaked in to your original universe before you left, then in that case, you could return.)

There just need to be a version of you in the universe as an entry requirement, not necessisarily the original version.

[–] [email protected] 3 points 3 days ago (1 children)

Can I go to a universe whose me is not there (in another universe)? Can I go to a universe that has another me but the original me from that universe is dead?

Alternatively can we all (along a finite curve) go to existence record 3.50 where we over throw all the nations governments by our collective numbers redirect the governments to both properly steward the environment, and create social safety nets. Once we do one, we will snowball and tackle another universe slowly adding tasks and learning as we go and work on creating a wormhole that replicates our natural ability so that we can visit the ones where we are dead.

[–] [email protected] 1 points 3 days ago

Can I go to a universe that has another me but the original me from that universe is dead?

This question was inspired by Dark Matter (2024), in the TV series, you could.

But the rules of this questions, no. (Where's the fun in that? πŸ˜‰) The alt-you must be alive the moment of your entry attempt, otherwise you can't enter that universe. The alt-you's death after the moment of your entry is irrelevent, but if you leave, and if there's no more versions of you in the universe, then, that universe is no longer accessible to you (or any version of you).

[–] [email protected] 3 points 3 days ago* (last edited 3 days ago)

Edit: previous was too identifying.

I will wear different clothing and no one will notice. I won't intentionally break the law.

[–] [email protected] 2 points 3 days ago

I’d gather huge groups of myself and march down the middle of roads to freak people out.

[–] [email protected] 0 points 3 days ago

Go around and warn my younger selves of how their body is going to crap out very young, so they should make the most of it while they can.