Hunt grails together.
See what other collectors are watching. Chat live while prices move. Find your people and your next grail.
Free. iOS + Chrome. Android coming soon.
The web was meant to be multiplayer.
Collectors always knew.
Collecting is social.
Browsing isn't.
We hunt together. We trade apart. Basement changes that.
Download for free
Browse Together
Every page is a live room. Chat with anyone browsing the same site.
Shared Memory
Every room builds a group brain. Learn from what your crew finds, shares, and saves — across every page.
React on the Page
Drop reactions, notes, and receipts directly on the page. Your crew sees it instantly.
CollectorRoom, but powered by Basement
Same browser, reframed for your crew. Install once — every niche room comes with it.
Pick up where you left
off, on any device.
Your CollectorRoom syncs instantly across
Mac, Windows, and iOS
Being social and
decisive is possible.
Scan this QR code with your phone
to download Basement.Download Basement and get started.
Coming Soon
IRL Stickers
Every person, place, and thing gets a Basement too.
Stick a CollectorRoom sticker anywhere in the world
and start a room on the spot.
CollectorRoom — frequently asked
CollectorRoom is Basement reframed for collectors. Basement is a multiplayer browser where every webpage becomes a live chat room. On collector marketplaces — TCGplayer, eBay, PWCC, Goldin, COMC — you see who else is looking at the same listing in real time and can chat while prices move.