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What Actually Happens on the Convention Floor Wi-Fi at a Retro Gaming Expo

  • PRG

Walk the floor of a retro gaming expo and it becomes obvious pretty fast that these events are as much a marketplace as a museum. The Portland Retro Gaming Expo pulled in more than 30,000 people in 2025, and a good chunk of them weren’t just there to play free-to-play cabinets, they were there to buy, sell, and trade. Long boxes of loose cartridges, sealed copies in display cases, sellers quoting prices off a phone screen while a buyer checks the same listing on their own laptop a few feet away. It’s a hobby that runs on verification as much as nostalgia.

The Market Behind the Nostalgia

That verification habit exists for a reason. Retro game collecting has quietly turned into a genuinely high-value market. This June, Heritage Auctions sold a sealed, second-production copy of Super Mario Bros. for three million dollars, the highest price ever paid for a single video game, beating the two-million-dollar record set back in 2021. PRG covered that earlier sale and the pricing logic behind it in detail, and the market has only climbed since. Nobody at a convention is walking around with a three-million-dollar cartridge in a backpack, but the same logic that drives those headline sales, grading, provenance, checking a listing history before committing, plays out at folding tables all weekend long.

A sealed copy of Super Mario Bros. sold for $3 million at Heritage Auctions in June, the highest price ever paid for a single video game.

Where the Real Risk Sits

Most of that checking happens over whatever Wi-Fi the venue provides. A buyer pulls up a completed eBay listing to confirm a fair price. A seller logs into PayPal to close out a deal on the spot. Someone checks a Discord trading server to see if a cartridge they’re eyeing has come up as a known reproduction. None of it feels risky in the moment, it’s just how business gets done on a crowded convention floor. But a recent survey by All About Cookies found that nearly one in four people have experienced a security problem after connecting to public Wi-Fi, and convention center networks, like hotel networks during the same travel weekend, are rarely built with much protection between the people using them.

Closing the Gap Before the Show

For a hobby where a listing password or a payment login is worth protecting, that gap is worth closing before the trip rather than after. A VPN encrypts the connection between a laptop and the internet, so a login typed in over convention Wi-Fi isn’t just sitting in the open for whoever else happens to be on the same network. For anyone bringing a Windows laptop along for a weekend of price-checking and deal-closing, it’s worth knowing how to get CyberGhost on PC before the show starts rather than scrambling to find a signal once the exhibitor hall opens.

It’s a small addition to a checklist that, for serious collectors, already includes grading reports, authentication apps, and a running mental note of what a given cartridge sold for last time it changed hands. The gear that matters most at a retro expo still runs on cartridges and CRTs. The Wi-Fi securing the deal behind it is a lot newer, and worth treating like part of the same checklist.

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