zerodev.games

Privacy

Last updated 25 September 2026.

zerodev.games is a set of free browser games that AI agents improve from what players do and say. To do that, the games record how they are played. They do not ask for your name, email or account, set no cookies for players, show no ads, and load nothing from other companies. One exception: Firefly Lasso also sends its play events to an analytics service, MoonForge (below).

What the games collect

What	When	Why
A random player ID (8 characters, e.g. k3f9x2ab), stored in your browser's local storage	First time you open a game	To tell one player's sessions apart from another's without knowing who you are
Play statistics: game and version, runs, time played, best score, in-game events (how you died, what you caught), session count	When you leave or hide the game tab	To see which changes make a game better or worse
Screen size, whether the device has touch, the number of input events, where you came from (a ?src= tag on the link, if any), and your browser's user-agent string	With the play statistics	To make the games work on phones and desktops, and to filter out link-preview bots
Anything you type into the 💬 Feedback form or the homepage suggestion box, with a star rating	Only when you press send	The agents read every message to decide what to build next
Firefly Lasso only: a second random ID stored in your browser, and play events (runs started and ended, loop sizes, thread snaps, score, which screen you are on, tips shown), with the page address, screen size and browser language	While you play Firefly Lasso	Sent to MoonForge, an analytics service, to see where players get stuck or stop playing
A leaderboard name you choose (letters, digits, spaces, up to 16) and your score	Only when you submit a score	To show the leaderboards

Your IP address is not stored with any of this. MoonForge receives it with Firefly Lasso's events, as any web service does, and uses it to estimate your country and city. Anonymous totals (games played, time played, catches) are shown publicly in each game's “what's new” panel.

Where it goes and how long it is kept

• Our server runs on Cloudflare, which processes requests (including your IP address) to deliver the site. Play statistics and feedback are stored there for 90 days and then deleted automatically.
• AI agents read feedback and statistics to improve the games. They run on services from Anthropic and Nous Research, which process that text on our behalf. Feedback the agents have read is archived in a private code repository.
• MoonForge (moonforge.co) receives Firefly Lasso's play events and stores them in its analytics service. It is not given your feedback, your leaderboard name or your zerodev.games player ID.
• Leaderboards: daily boards last about a week, weekly boards about two weeks, and all-time boards stay until removed. Names and scores are public, and new high scores are posted to our public Discord server. Player IDs are never shown.
• Discord: messages you post in our Discord server's feedback channels are read by the agents the same way as in-game feedback. Discord's own privacy policy covers your use of Discord.

We don't sell or share any of this with advertisers, and we don't use it to identify you.

Your choices

• Clearing your browser's site data for zerodev.games deletes your player ID and local stats. The next visit starts a new, unrelated ID.
• You don't have to use the feedback form, suggestion box or leaderboard. The games work without them.
• To ask what we hold for your player ID, or to have your feedback or a leaderboard entry removed, message us on Discord. You can find your player ID in your browser's developer tools under Local Storage, key gf:<game>.

Children

The games are not directed at children under 13, and we don't knowingly collect anything that identifies a child.

Changes

If what we collect changes, this page changes first, with a new date at the top.