Privacy policy
Magellan is a free browser game, run as a personal, non-commercial project in Ireland. This page explains what it stores, why, and what you can do about it.
- You can play without an account. The game never asks for your email or location.
- No ads, no tracking cookies, and your data is never sold. The game counts anonymous gameplay events (below) to see how it's played.
- Signing in with Google is optional. It only keeps your stats across devices.
Stored on your device
Your browser keeps your game progress, stats, settings (like sound on or off), any name you type for duels or challenges, a random device ID, and, if you sign in, your sign-in session. Clearing this site's data in your browser removes all of it from your device.
Sent to the game's database, and why
- Daily Voyage results: the day, your score, the heading and distance for each spot, and your random device ID. This powers the world ranking and the "you beat X% of sailors" comparisons. Other players only ever see totals and percentages, never who you are.
- Starting a Daily Voyage: the day and your device ID, so we can see how many people finish.
- Gameplay events: when the page opens (whether this device has been before, phone or computer, and the website that linked here, such as reddit.com), which mode you start, each spot you sail or country you guess, the opponent type in a duel, when you finish, what you share and how, how long the page was open, the screen width and language setting, the country your connection comes from (never your IP address), and any error the game hits. Each event carries your random device ID and no name. It shows how the game is played and where people stop.
- Live friend duels: the duel's 6-letter code, the name you type, your heading each round and when you were last active. Duels are deleted after 3 days.
- Challenge links: your name and headings are written into the link itself and aren't stored by us. Anyone you send the link to can see them.
- If you sign in with Google: Google shares your name, email address and profile picture with our sign-in service. We keep your account ID, your first name, the days you've played with your best scores, and your duel record, and link your daily scores to your account. Your email is only used to sign you in. We never email you.
Who handles it
- Supabase runs the database and the sign-in service on our behalf.
- Cloudflare hosts the website. Like any web host, it sees your IP address when you load the page.
- Google handles sign-in, only if you choose it. Google's own privacy policy covers your Google account.
- Fonts and code libraries load from Google Fonts, cdnjs (Cloudflare) and jsDelivr, which see your IP address when the page loads.
Why we're allowed to
We use this data only to run the game you've chosen to play, its rankings and duels, and, if you sign in, the account you've asked for.
How long it's kept
Live duels: 3 days. Daily scores and accounts: while the game is running, or until you ask us to delete them. Gameplay events: 12 months.
Your rights
You can ask to see, correct or delete your data, or object to how it's used. If you're unhappy with how we've handled it, you can complain to Ireland's Data Protection Commission.
Children
Magellan is for everyone. If you're under 16, ask a parent or guardian before signing in.
Changes
If this policy changes, we'll update this page and the date at the top.
Contact
Questions, or want your data deleted? Use the contact email shown on Google's sign-in screen for Magellan.