this post was submitted on 14 Nov 2024
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PPSSPP multiplayer questions (sh.itjust.works)
submitted 3 days ago by octoffset@sh.itjust.works to c/retrogaming@lemmy.world
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Is anyone familiar with PPSSPP multiplayer? I see there are two options, ad hoc and online and have a few questions. I read that online multiplayer is really just tricks around ad hoc mode, and it requires port opening on the router to work. Does that mean that it won't even work if I'm on cellular data?

If I'm playing with someone on the same WiFi in ad hoc mode, both on Android phones, will it work as is or are there also ports to open? I don't even know what kind of firewall Android sets up. Thanks for your answers, just want to play with friends.

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[–] xan1242@lemmy.dbzer0.com 3 points 3 days ago (1 children)

So, for PPSSPP multiplayer, you either need to be in a LAN with the other players or, as you've said, forward the port.

So, if you're on the same LAN as your friend(s), it's as easy as setting the IP address to the host (on all the clients) and the same wifi channel in PPSSPP settings.

If you wish to play online, it gets tricky. Most cellular data providers are behind something known as a CGNAT, which basically prohibits port forwarding.

The only solution and workaround to this is to use a VPN tunnel that can put you in a virtual LAN with your friends but over the internet. One of the most commonly used software on PC for this is LogMeIn Hamachi. Not sure if there is anything like it on Android, though.

I've actually set up a Yu-Gi-Oh Tag Force tournament for DLE but that quickly went nowhere after a couple episodes lol

[–] octoffset@sh.itjust.works 1 points 3 days ago (1 children)

Thank you. Are there any security concerns with LAN ad hoc playing? Will PPSSPP try to establish any internet connection that's not LAN?

[–] xan1242@lemmy.dbzer0.com 3 points 3 days ago

PPSSPP will attempt to establish connection to any IP or domain that is put in the ad-hoc server text box. So, much like a web browser, it entirely depends on where you tell it to connect.

That being said, as for any security concerns, I am unaware of any exploits and/or wrongdoings with PPSSPP code, so you should be safe. It only passes the data directly between the emulated games and the chat box feature.