SlashGear just put together a rundown of 15 rare and valuable retro gaming accessories, and it sent me straight down a nostalgia hole I have not fully climbed out of yet. Because when we talk about collecting, everyone focuses on the games and the consoles. The accessories are where the real hunting happens.

Take the obvious headliner: the Steel Battalion controller. If you never had the pleasure, this was the massive, twin-sticked, button-covered, pedal-driven monster Capcom shipped with the original Xbox game in 2002. It cost around $125 back then, a jaw-dropping price for a single game bundle, and it came in a box the size of a carry-on suitcase. Playing it felt less like gaming and more like training for a pilot's license. And it deserved every inch of that footprint. You hadn't lived until your squad gathered around to watch someone fumble the eject sequence and get shot down for it.

Then there's the gold Game Boy Camera, and this is where my collector brain really lights up. SlashGear lists it among the rarest and most valuable accessories out there, a metallic gold version of Nintendo's little gray brick that collectors chase hard. The regular Game Boy Camera is one of my favorite objects in gaming history. It let a nine-year-old take grainy photos of their cat, and it put a face on 8-bit art that we're still memeing about today. The gold variant is the one serious collectors dream about, and they absolutely notice when one surfaces.

The full list runs 15 deep, and SlashGear's picks cover the spread you'd expect done well: region-locked oddities, tournament-grade controllers, licensed peripherals from brands that no longer exist, and a few accessories that were rare the day they shipped because nobody bought them the first time. That last category is quietly my favorite. Half of what makes an accessory valuable is that it was a commercial flop in its moment, and scarcity did the appreciating for you.

I keep thinking about my own boxes. Somewhere in a closet I still have an original Xbox Communicator headset and a Dance Dance Revolution soft pad with a corner curling up like old pizza. Neither is worth anything. And that's fine, that's not why I kept them. But it does mean every time one of these lists drops, I do a little mental inventory and wonder what I threw away in a move 15 years ago that's now funding someone else's retirement.

What I appreciate about accessories as a collecting category is that they're physical proof of how we used to play. A sealed game tells you what people wanted. A Steel Battalion controller tells you what people did, in a living room, with friends yelling over the vent controls. They're the artifacts of couch co-op and LAN nights and that one friend who owned four multitaps.

Condition and completeness matter enormously here, maybe even more than with carts. A Steel Battalion controller missing its pedals is a very different object than the full kit. Boxes, foam inserts, even the manual, all of it counts.

So go read the full list, then go check your parents' attic. What's the rarest accessory still sitting in your house, and did you even know it was rare?