Cosmo Keys - Privacy Policy

Last updated: 22 September 2026

What the game stores

The game saves your progress so you can continue where you left off. That save contains only:

• which levels you have completed, and the gems and coins you found
• your best times and which challenges you have finished
• which character you have selected and which you have unlocked
• your settings, such as music and sound volume

All of it is written to your own device's local storage. It is never sent to me and never shared with anyone. Uninstalling the app or clearing the app's data deletes the local copy permanently, and I keep no copy of my own.

One exception, on Android from version 1.33: if you are signed in to Google Play Games, a copy of that save is backed up to your own Google account so it follows you between devices. It still never reaches me. See "Google Play Games" below for what is in it and how to have none of it.

What the browser version sends

The version you play in a browser - on this site, itch.io, Newgrounds or Game Jolt - sends four kinds of message to the game's own server, and nothing else:

• the game was opened, and how many times this browser has opened it before (that count can be missing, if your browser does not allow the game to remember anything)
• which website was showing the game - for example Newgrounds, or my own site. This is read from the address the game's own files are loaded from. It is not your browsing history and not the page you came from; every player on the same website produces the same word. It is included with every one of the messages below, so that "someone reached level 5" can be read as "a player on Newgrounds reached level 5" - which is the only thing that separates a real visitor from me testing my own game
• a level was started, and which number it was
• a life was lost, on which level, and what caused it
• a level was finished, which number, and how many seconds it took

None of it identifies you. There is no account, no user number, no device number, no session number and no cookie. Nothing in a message says who sent it, so two messages from the same browser cannot be linked together, and your visits cannot be told apart from anyone else's. The count of how many times you have opened the game is a number kept on your own device; it is sent as a number, not as a name. Your address and your browser details are deliberately not recorded.

It exists for one reason: the game is free and I have no idea whether anyone plays past the first level. That is the question it answers, and it cannot answer any other.

The Android app sends none of this. These counts are the browser version only. What the Android app does send, from version 1.33, is described under "Google Play Games" below, and it goes to Google rather than to me.

What the game does not do

• It does not ask for your name, email address or any other personal detail.
• It does not use tracking, advertising identifiers or cookies.
• It does not access your contacts, photos, camera, microphone or location.
• It does not contain advertising.
• It does not contain in-app purchases. The coins in the game are earned by playing and have no real-world value.

Permissions

The Android app declares one permission, INTERNET. It is required because the game runs as a web application inside the app, and Android needs the permission for that to load. Every game file is loaded from inside the app itself. The anonymous counts described above are sent by the BROWSER version only and are not part of the Android app; from version 1.33 the app's only network use is Google Play Games, described below.

Google Play Games (Android, from version 1.33)

The Android app uses Google Play Games Services for two things: achievements, and backing your save up so a new phone can pick up where the old one left off.

What that means in practice:

• Google gives the game a Play Games player ID - a number Google assigns for this game. I never see it, it is not stored in the save, and it is not sent anywhere else.
• Which achievements you have earned goes to Google, so they show in your Play Games profile.
• A copy of your save - the same progress described under "What the game stores" - is written to your own Google account, in the private app-storage area Google provides for this. It is yours, not mine. I cannot read it.

I receive none of this and have no access to any of it. It is between your device and Google, under Google's privacy policy.

You can have none of it. If you are not signed in to Play Games, the game does not sign you in and does not ask - there is no prompt and no button. It plays exactly the same, keeps your save on the device as it always did, and simply earns no achievements and makes no backup of its own. The game never requires a network connection.

Separately from all of this, Android itself may back up app data to your Google Drive - that is a system feature you control in your device's settings, it applies to apps generally rather than to this one, and it goes to your own account. I receive nothing from it either.

Deleting your data

This section is about Cosmo Keys, by Agile Clouds. There is no account to close and nothing to email anybody for — deletion is done from inside the game and takes effect immediately.

How to delete a saved game

1. Open Cosmo Keys.
2. Go to the file screen (the slots icon on the main menu, or STORY).
3. Tap DELETE on the file you want removed, and confirm.

You can also erase the file you are currently playing from Settings → ERASE THIS FILE.

What that deletes

• The saved game on the device — levels, gems, coins, best times, challenge records and which characters you own.
• The backed-up copy in your Google account, if you are signed in to Google Play Games. The deletion is sent straight away rather than waiting for the next time you play, and it also removes the file from any other device signed in to the same account, the next time that device opens the game.

What is kept, and for how long

• Nothing is kept by me. I never receive your save, so there is no copy of it to delete and no retention period on my side. The backup is between your device and your own Google account.
• Achievements you have earned stay on your Google Play Games profile. They belong to that profile rather than to this game, and they are not part of the saved game. To remove those, delete the game's data from your Google account — Play Games lets you delete a game's Play Games data, which clears its achievements for you.
• Your settings (volume, quality, touch controls) are not part of a saved file and stay on the device. Uninstalling the app, or clearing its data in Android Settings, removes those along with everything else the game stored.

Uninstalling the app removes everything held on the device. It does not by itself remove the backup in your Google account — use DELETE in the game for that, or delete the game's data from your Google account.

Children

Cosmo Keys is suitable for all ages and contains no violence, no offensive language and no in-app purchases. I never receive anything that identifies anybody, child or adult - the counts the browser version sends identify nobody, and the Play Games data described above goes to your own Google account rather than to me. If you would rather a child's device sent nothing to Google either, keep it signed out of Play Games: the game does not sign anyone in and does not ask.

Versions on other websites

Cosmo Keys is also playable in a browser on sites such as itch.io, Newgrounds and games portals. Those versions run on someone else's website, and that site's own privacy policy applies to your visit. Some portal versions include advertising supplied by the portal; those adverts are governed by that portal's privacy policy rather than this one. The Android app and the version on cosmokeys.agile-clouds.com contain no advertising.

Changes to this policy

If this policy ever changes, the new version will be published on this page with an updated date at the top.

Contact

Questions about this policy can be sent to fsnh.agileclouds@gmail.com.