This Privacy Policy explains what information is collected, used and shared when you play Build a Tower on this website or in the Build a Tower Android app (together, the "Service"), why, how long it is kept, and the choices you have. The Service is provided by Premade Codes ("we", "us", "our"). By using the Service you agree to this policy. If you do not agree, please do not use the Service.
1. Summary
- No account, no sign-up, no password – you can play without giving us your name or email.
- Your game progress is saved on your own device, not on our servers.
- Ads are shown by Google (AdMob in the app, AdSense on the website). Google and its partners may use cookies and your device's advertising ID to show and measure ads.
- Friends rooms and voice chat are optional. Room data is temporary and deleted automatically; voice goes directly between players and is never recorded or stored.
- The microphone is only used when you tap MIC in a friends room, and only after you allow it.
- We do not sell your personal information and we do not use it for anything other than what is described here.
2. Who we are and how to contact us
The Service is operated by Premade Codes, the developer of Build a Tower. For any privacy question, request or complaint, email support@buildatower.fun or use our contact form. We answer within 30 days, usually much sooner.
3. Information we collect and why
a) Stored only on your device
Game progress (buildings, coins, items, outfits, achievements, daily missions), settings (sound, controls, button layout, key bindings, camera, volume) and the player name you choose. This data stays in your browser's local storage or in the app's private storage. It is not sent to us. It is deleted when you clear the site data or uninstall the app.
b) Friends rooms (only if you use them)
- Player name you type (any nickname) and your character's outfit – shown to the other players in the room.
- Game activity in the room – your position, movements and the blocks you place or break – so everyone sees the same building.
- A random player number made by the game on your device. It does not identify you and is stored on our server only in a scrambled (hashed) form.
- The room code, the invite link and the room's end time.
Purpose: to provide multiplayer (app functionality). Building changes are deleted from our server within about 15 minutes and the whole room is deleted automatically when it ends or when the room owner leaves.
c) Voice chat (only if you switch it on)
When you tap MIC, the game asks for permission to use your microphone. Your voice is then sent directly and encrypted to the players in your room (WebRTC). It does not pass through our server, and nobody – not us and not the game – records or stores it. The microphone turns off when you tap MIC again, leave the building or leave the room. You can mute all voices with SPEAKER, change their volume with the small arrow, or mute a single player in the room window.
d) Direct connections between players
To make playing together fast, the game connects the players in a room directly (WebRTC). To do this, your device's network (IP) address is shared with the other players in your room, and a free "STUN" connection helper run by Google or Cloudflare briefly sees it to find a route. If a direct link is not possible, the game uses our server instead.
e) Contact form, emails and player reports
If you contact us, we receive your name, email address, topic and message. If you report a player in a room, we receive the room code, the names and random player numbers of you and the reported player, the reason and your optional note. We use this only to answer you, to keep rooms safe and to improve the game.
f) Collected automatically
- Server logs: our hosting provider records technical data such as IP address, browser type, pages requested and time, for security and to keep the site working.
- Abuse protection: our server counts requests per IP address for a short time (for example to stop people guessing room codes or spamming the contact form).
- Advertising data: device advertising ID (app), cookies (website), approximate location derived from the IP address, device and app information and ad interactions – collected by our advertising partners to show, limit, measure and protect ads (see section 5).
- App events: simple, anonymous events such as "a building was finished" or "a rewarded ad was watched", sent to Meta and Google to measure our own app advertising and understand which features are used. They never include your messages, voice, contacts or name.
- Crash and performance data provided by Google Play.
4. App permissions (Android)
- Internet / network state – to load ads, play in friends rooms and open links.
- Microphone (RECORD_AUDIO, MODIFY_AUDIO_SETTINGS) – only for voice chat in friends rooms, only after you tap MIC and allow it. You can refuse or turn it off any time in your phone's settings; the rest of the game works normally.
- Vibration – small vibrations when you build.
- Advertising ID (AD_ID) – used by Google AdMob for ads (see section 5).
The app does not access your contacts, photos, files, camera, precise location, SMS or calls.
5. Advertising, cookies and your ad choices
Build a Tower is free because it shows ads. We use:
- Google AdMob in the Android app and Google AdSense on this website.
- Google Ads and Meta (Facebook) App Events to measure our own advertising campaigns.
Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to this site and/or other sites on the Internet. In the app, the device advertising ID is used in a similar way. See how Google uses information from sites or apps that use its services and how Google uses cookies in advertising.
Your choices:
- Opt out of personalised advertising in Google Ads Settings, or opt out of some third-party vendors' use of cookies at www.aboutads.info (US) and www.youronlinechoices.eu (EU).
- On Android: Settings → Google → Ads (or Settings → Privacy → Ads) to delete or reset your advertising ID or opt out of ad personalisation.
- In the European Economic Area, the UK and Switzerland we ask for your consent before personalised ads are shown (through Google's consent message); you can change your choice later. Without consent, only non-personalised ads are shown.
- You can block or delete cookies in your browser settings. Ads will still appear but will be less relevant.
Rewarded ads are always optional: you choose to watch one for a bonus. We never ask you to click ads.
6. How we share information
- With other players in your room: your player name, outfit, position, building activity, voice (if your mic is on) and network address (for the direct connection).
- With service providers that run the Service for us: our web hosting provider; Google (AdMob, AdSense, Google Ads, Google Play, STUN); Cloudflare (STUN); Meta (app events). They may only use the data to provide their services and under their own privacy policies.
- For legal reasons: if required by law, or to protect the safety of players, the public or the Service.
We do not sell personal information, and we do not share it for money.
7. How long we keep information
- Game progress and settings: on your device until you delete them.
- Friends room data: deleted automatically when the room ends (after 1 hour, or up to 2 hours if extended); building changes within about 15 minutes; a player who is inactive for 15 minutes is removed.
- Voice chat: not stored at all.
- Abuse-protection counters: up to 24 hours.
- Contact messages and player reports: until they have been handled, then deleted (at most 12 months).
- Server logs: for the limited time set by our hosting provider.
- Advertising data: according to the retention policies of Google and Meta.
8. Deleting your data
There is no account to delete. You can delete everything on your device by clearing the website's data in your browser or by uninstalling the app. Room data deletes itself; press LEAVE ROOM to remove yourself from a room at once. To delete a message or report you sent us, email support@buildatower.fun with the approximate date and we will delete it.
9. Security
The website uses HTTPS. Voice and direct game data between players are encrypted by WebRTC (DTLS/SRTP). Room data is kept in a protected database, player numbers are stored only as hashes, private files cannot be downloaded, and our server limits requests to stop abuse. No system is 100% secure, but we take reasonable steps to protect your information and will act quickly if a problem is found.
10. Children
Build a Tower is a family-friendly building game for a general audience and is not specifically directed at children under 13. We do not knowingly collect personal information from children. Children should play friends rooms and voice chat only with friends they know and with a parent's permission, and should never share their real full name, address, school, phone number or photos. Parents can keep voice chat off simply by not allowing the microphone. If you believe a child has sent us personal information, contact us and we will delete it.
11. Your rights
Depending on where you live – for example under the GDPR (EU/UK), the CCPA/CPRA (California) or other privacy laws – you may have the right to access, correct or delete your personal information, to object to or restrict its use, to data portability, to withdraw consent at any time and to complain to your data protection authority. Because we hold very little information and do not use accounts, the easiest way to use these rights is to email support@buildatower.fun. We will not treat you differently for using your rights.
Legal bases (EEA/UK): providing the game and rooms you request (contract), keeping the Service safe and improving it (legitimate interests), personalised ads and the microphone (your consent), and legal obligations.
12. International transfers
Our servers and partners may be located in countries other than yours. When information is transferred, we and our partners use appropriate safeguards required by law (such as standard contractual clauses).
13. Links to other sites
The Service contains links to other websites and stores (for example Google Play) and ads from other companies. We are not responsible for their privacy practices – please read their policies.
14. Changes to this policy
We may update this policy when the game changes or the law requires it. The "Last updated" date at the top shows the latest version; important changes are announced on this website or in the app. Please check this page from time to time.
15. Contact
Premade Codes – email support@buildatower.fun – or use our contact form.