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Sneaky Cards is a single-player card game that turns small acts of mischief and kindness into a deck of missions. Each card has a short prompt: pay for the next coffee, leave a nice note for a stranger, swap something small with someone. After you complete the mission you pass the card on so the next player can try a different one. Cards can be tracked by typing the printed code into this site, which builds a map of where the card has been over time.

Most missions are safe and low-stakes, but they always involve interacting with strangers, so we recommend players aged 12 and up. Younger kids can absolutely play with a parent or guardian alongside them, the missions are designed to encourage positive interactions.

• Game by Cody Borst
• Based on an original concept by Harry Lee
• Special thanks to Cameron Clark, Jean Turban, Josh Ferrell, Adam Fairbrother, and Ian Federgreen
• Illustrations by Serge Seidlitz

Sneaky Cards is currently out of print. Used copies turn up regularly on eBay and Facebook Marketplace, and a free print-and-play PDF is available on the play page if you want to run a deck off your home printer tonight. Both Sneaky Cards 1 and Sneaky Cards 2 work with this site.

Sign in, then go to your account → register a deck. Look at card #55 inside your deck (the "registration" card) and type the code printed on it. The code reads SERIES-DECKNUMBER, for example Y-123456. Once registered the deck appears under "Your decks" on your account page.

The registration card (always card #55) carries the deck's unique code across its bottom edge. The first letter or two is the series (A for the original Sneaky Cards, AA for Sneaky Cards 2, etc.) and the rest is a six-digit number. If your card shows the full SERIES-DECKNUMBER-55 triplet just type the whole thing, we'll auto-fill the same code internally.

You don't actually need card #55 itself, just the code that would have been on it. Pick any other card from the deck and look at the code printed across its bottom. The first letter or two is the series (A for Sneaky Cards 1, AA for Sneaky Cards 2) and the next six digits are the deck number, both of which are shared across every card in the deck. So if your card reads A-123456-12, your registration code is A-123456-55. Type that into register a deck and you're set.

Every Sneaky Card has a unique code printed on it. When you GIVE or RECEIVE a card you can visit the tracking page, type the code, and log where the card changed hands. Over time the card builds up a chain of pins on a map, a tiny travel story passed between strangers. You can track cards without an account; sign-in is only required if you want to leave a comment.

Tracking is voluntary. Some recipients prefer to keep the card unlogged, others forget. If you want to be sure a hand-off is recorded, log a GIVE yourself at the moment you pass the card on; the recipient can then choose to add a RECEIVE later.

Yes. The card maker lets you design a single custom card in the Sneaky Cards visual style and download a print-ready PDF. Pick a category (the color sets it), give the card a short bold title, then add an action line. No sign-in needed; everything stays in your browser.

No. Tracking codes are reserved for the printed decks so the chain of GIVE / RECEIVE events stays unambiguous. Custom cards are perfect for private projects, wedding favors, classroom missions, or one-off acts of kindness, but they don't show up on the public map.

Both live under your account settings. Email and password changes require re-entering your current password as a confirmation step; that's a Firebase Auth requirement, not something we can skip.

There's a language picker at the bottom of every page in the footer, plus a preferred- language setting under account settings. The footer picker is per-session; the account setting persists across devices once you sign in.

At the bottom of account settings there's a Delete Account section. Confirming your password and submitting will permanently delete the Auth account and your /users profile. Public tracking pins you've logged stay on the cards themselves but become anonymous (no username link).

Email info@sneakycards.com with the link to the tracking page or comment in question. We review reports manually and can hide or remove content that violates the community standards in our terms. We aim to respond to safety-related reports within 24 hours.

Comments can be removed for harassing or doxxing other users, sharing personal data without consent, advertising / spam, or for violating local laws. If you think a removal was a mistake, please email us with the original text and the tracking code.

We use Google Analytics 4 (measurement ID G-TC7N939XL8) to count page-views in aggregate so we know which pages get used. GA4 sets two first-party cookies (_ga and _ga_TC7N939XL8) that store a random session id; we do not enable advertising features, demographics, or any retargeting on our property. Beyond GA, the only browser storage is strictly necessary: a Firebase Auth session that keeps you signed in, and the local draft from the card maker so a refresh doesn't lose your work. No advertising cookies are set.

If you'd rather not be counted, the Google Analytics opt-out add-on blocks the tracking script. Most ad blockers and modern browsers' tracking protection (Firefox Strict, Brave Shields, Safari ITP) already block it by default. The privacy policy goes into the specifics.

We aim to meet WCAG 2.1 AA. All interactive controls are reachable by keyboard, every image has descriptive alt text, and the color palette is checked for contrast. If you find a page that doesn't work well with your assistive tech, please email us so we can fix it.

You can access and correct most personal data directly from account settings. For a copy of all data we hold about you, for deletion of historic tracking events, or to lodge a complaint, email info@sneakycards.com. We respond within 30 days as required by GDPR Article 12.