I say weapon because it gets to complicated with all the super powers you can get. Turning invisible, walking through walls, teleporting. So for this I want to limit it to sci fi weapons that at least attempt to have a tech basis. So like not the masters device that turns people into dolls. However we don’t care if we can completely explain how it might be done now. Like lightsabers are fair game. As for me I would go with the star gate zat guns as initially put in. Both lethal and nonlethas and very portable. I want to put an honorable mention for tthe minority report sonic shotgun that seems to run on wind up energy so you should never theoretically run out of ammo. although not so sure as there was no indication you could power up more than one shot at a time.

EDITED: Its a little late at this point as the answers have went way off the rails but in case it gets more replies my intention was a weapon someone might carry around and could use as one person. not a weapons system or vehicle. Also no robots or things that essentially are their own entities. It should be a weapon used in a weapon like manner. aim and fire. also that quote about sufficiently advance technology looks like magic. if it looks like magic to us instead of technology then its to far afield. I hope this makes it more clear what I was looking for. Honestly I would have like to not use weapons as a basis but there are just to many things when you look at all of sci fi.

    • invertedspear@lemmy.zip
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      3 days ago

      Nah, huge limitation that it only works on walls painted with moon dust. Even without that detail, the surface needs to be flat and judging by the main characters height, roughly 1m x 2m. Those details really limit its functionality outside the enrichment center.

        • invertedspear@lemmy.zip
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          3 days ago

          Judging by the moon landing pictures, most surfaces on the moon are roughly flat especially in the dusty areas.

          The games are also a bit inconsistent about what happens when the surface moves. Sometimes the portal fizzles out, and on rare occasions it doesn’t.

          • Nindelofocho@lemmy.world
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            2 days ago

            If we really want to get into the specifics technically everything is moving. Could maybe that as long as the object is stationary relative to nearby large mass but then that would start to strain the moon shot since that is a separate large moving mass being linked to another moving mass

        • Neverclear@lemmy.dbzer0.com
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          3 days ago

          Scale is important. Yes, the moon is round, but local flatness could be within the tool’s tolerance. Even a surface plate (used by machinists a reference for flatness) has local peaks and valleys if you zoom in on the surface.

      • SuiXi3D@fedia.io
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        3 days ago

        Yep, links two portals to each other. Place one over a dangerous area and one below someone, they fall. Boom, a weapon. However, it’s also a very useful tool for transportation purposes.

        • leftzero@lemmy.dbzer0.com
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          3 days ago

          it’s also a very useful tool for transportation purposes

          Speedy thing goes in, speedy thing comes out.

          You need the boots, though, otherwise it’s very easy to accidentally go splat.

        • Neverclear@lemmy.dbzer0.com
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          3 days ago

          I may be misremembering it but, I think you are forgetting the most limiting part of the portal gun:

          spoiler

          It only works on surfaces painted with moon dust.

        • Burninator05@lemmy.world
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          3 days ago

          One on the wall next to me + one on the wall next to my refrigerator = not having to get up for snacks.

        • A1kmm@lemmy.amxl.com
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          3 days ago

          The best way to use the Portal Device in Hedgewars (especially if you can shoot one end above water), given it doesn’t end your turn.

          • Soggy@lemmy.world
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            2 days ago

            I don’t think this one would work, since they don’t occupy any space in the flat plane the portals appear on. You’re just making doors.

      • QuadratureSurfer@piefed.social
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        3 days ago

        In Portal 2 there’s a multiplayer mode. It can definitely be used as a weapon when you quickly swap out the portal exit so that your companion falls to their demise.

        There are some fun community levels where you can race against a friend and there are all sorts of traps you can trigger/set if you plan it right.

        • zod000@lemmy.dbzer0.com
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          3 days ago

          The HL2 multiplayer set to gravity gun only was so fun. We called it “pie fight” since it was 3 Stoogles style chaos. The only thing missing was that you couldn’t use a person’s previous body to kill them. I so wanted to yell “stop hitting yourself” as I bashed someone with their own corpse.

        • Professorozone@lemmy.world
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          3 days ago

          Wow. I didn’t know it was multiplayer. I bought an old Xbox 360 a while back and it came with a bunch of games. I played portal 2 on that. Does it have multiplayer on that platform?

          I liked it so much I bought Portal 1. I think it’s better to play them in order. 2 was better than 1.

          • Cocodapuf@lemmy.world
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            3 days ago

            Oh yeah 100%, you can play portal 2 local co-op or online co-op. I’ve never personally done online co-op on the 360, but it probably works fine.

            Portal 1 is single player only and you’re totally right about playing them in order, that’s the way to do it.

            • Professorozone@lemmy.world
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              3 days ago

              Well regrettably my wife didn’t really get the hang of portal and we’re the only two who live here. Maybe when I have a friend over. I’m kind of old and the only friend I have that really plays games lives in the UK. We pay together online. If you’re interested we’ve played:

              Borderlands Borderlands 2 Borderlands 3 Tiny Tina’s Wonderland Borderlands the pre-sequel Grim Dawn Aliens elite team Warhammer 40000 space Marines?

              And we’re currently playing Aliens Elite Team 2.

              I may have forgotten some.

          • QuadratureSurfer@piefed.social
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            3 days ago

            Yeah, I didn’t realize it for a while as well. The multiplayer has its own whole storyline of what happened before GLaDOS took control.

      • justme@lemmy.dbzer0.com
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        3 days ago

        in the game there are not ppl alive anymore, but you use it to “dispose” a lot of angry turrets and eventually get the endboss to hurt themselves.

      • pwnicholson@lemmy.world
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        4 days ago

        You can instantly turn anything into a weapon and you can instantly drop the floor out from anyone and drop them from the highest point you can reach.

        Yes. It’s a weapon and a tool like an axe is a weapon and a tool