Collect your favorite K-pop idols
Binder is a free K-pop photocard collecting game you play in your browser. Open boxes, collect cards of your favorite idols, earn Coins every second (even while you're away), and trade with other collectors. No ads, nothing to buy.
Latest posts
Dev DiaryWhy I made BinderWhat Binder is, why I made it, what made it so addictive, and what's coming next.October 5, 2026Dev DiaryFrom Coding to Running the EconomyHow my job on Binder shifted from building features to looking after the economy, and what a one-person admin learns from it.October 10, 2026Patch Notesv0.16.1 · Collect All PopupCollect All now shows a popup with your Coins and any Prospector Diamonds.October 15, 2026Patch Notesv0.16.0 · EnchantsPermanent boosts for your whole account: a daily enchant shop, slots, presets, merging, an Enchants market with auctions, plus Marketplace and Carnival fixes.October 15, 2026Patch Notesv0.15.1 · Marketplace and Auction UpgradesCollect All, bid modal, My Auctions/Bids filters, bulk List and Auction, a calmer sidebar, and fixes.October 10, 2026GuidesYour first stepsWelcome to Binder!October 10, 2026GuidesEarning CoinsCoins are the main currency in Binder.October 10, 2026GuidesThe Store and boxesThe Store is where new cards come from.October 10, 2026GuidesTickets and recyclingTickets are the currency for trading.October 10, 2026