Star Wars Battlefront II - Can I Do Multiplayer Within my Home?

My friends and I are looking into buying Star Wars Battlefront II and playing it together. The original plan was to do this via Xbox when we all get together (let me know if this isn't possible), but I've discovered that the PC version is on sale on steam for $2.50. I'm wondering what the limitations are on multiplayer.
After doing some research, I've found that true multiplayer is a bit of a problem. There are third party programs you can use, but I'd rather not go that route. My question is: if we are all in the same house and on the same wireless internet, can we do multiplayer?
A side-question: can we play against each other and on the same side, or only one?
Thank you for your time.
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Can you play Battlefront 2 local multiplayer?
To play split-screen co-op in Starwars Battlefront 2, you need to be on playing on a Playstation or Xbox console and select arcade mode; the feature is not present on the PC release.How do you play swbf2 multiplayer?
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