Last updated: 12 October 2026
Voidfall is a game for iPhone and Android from Wooden Amethyst. Contact [email protected] with any privacy question.
Your game progress
Voidfall has no account or sign-in. Your runs, upgrades, cards, research, skins, missions, season progress and settings are saved on your device only. We do not receive them, and they are not stored on our servers. Deleting the app deletes this progress, although Apple's device backups may keep a copy.
Advertising
Adverts in Voidfall are optional. You only see one when you choose to watch it for a reward, such as doubling a run's coins. Ads are provided by Google AdMob. The game asks Google for non-personalised ads, and it never asks for permission to track you, so it does not use your device's advertising identifier (IDFA).
Even non-personalised ads involve some data processing. To deliver and measure ads, limit how often you see them, prevent fraud and remember your privacy choices, Google and the advertising partners it works with may collect information from your device, such as:
- the identifier for vendors (IDFV)
- your IP address and the approximate location derived from it
- device and app details, such as model, operating system, language, time zone and network type
- how you interact with ads, and basic diagnostic information
Where the law requires consent (for example in the EU, UK and some US states), Google's privacy form appears before any ad is requested. You can review or change your choices at any time with Advert privacy choices in the game's Settings. If the privacy check cannot be completed, the game simply does not offer ads.
Google explains how it uses information from apps that use its services at policies.google.com/technologies/partner-sites, and its full privacy policy is at policies.google.com/privacy.
In-app purchases
Coin and gem packs, the Starter Pack, the Gem Vault, the Season Pass and the Founder's Pack are optional purchases sold through the App Store. Apple processes the payment, and we never see your payment details. The game receives a verified record of each purchase from Apple so it can deliver what you bought, and Restore Purchases in Settings asks Apple to check your Founder's Pack again.
Leaderboards (Game Center)
If you are signed in to Game Center, the game sends your scores for the Daily Challenge, Boss Rush and best wave to Apple's Game Center so they can appear on leaderboards with your Game Center nickname. Game Center is run by Apple under Apple's privacy policy. If you are not signed in, your best scores stay on your device.
Gameplay statistics
The game can send anonymous gameplay statistics, such as which mode you played, the wave a run reached, and whether a purchase or advert completed, to TelemetryDeck to help us balance the game. These statistics use a random identifier created on your device and hashed before it is sent. They contain no name, email address, advertising identifier or payment details, and they are not used to track you or sold. You can turn them off at any time with Analytics in Settings.
Notifications
If you allow notifications, the game schedules reminders on your device, for example when research finishes or a new Daily Challenge is ready. They are created on your iPhone, and we do not send push notifications or receive any data from them. You can turn them off in Settings or in iOS Settings.
On Android
Voidfall for Android works the same way as on iPhone, with these differences.
Your game progress is saved on your device only. Deleting the app deletes it, although Android's device backups may keep a copy.
Advertising. Adverts are optional and are provided by Google AdMob. The game asks Google for non-personalised ads. To deliver and measure ads, limit how often you see them and prevent fraud, Google may collect your device's advertising ID, your IP address and the approximate location derived from it, device and app details, how you interact with ads, and basic diagnostic information. You can reset or delete your advertising ID in your device's Settings, under Google > Ads or Privacy > Ads. Where the law requires consent, Google's privacy form appears before any ad is requested, and you can change your choices at any time with Advert privacy choices in the game's Settings.
In-app purchases are sold through Google Play. Google processes the payment, and we never see your payment details. The game receives a signed record of each purchase from Google Play so it can deliver what you bought, and Restore Purchases in Settings asks Google Play to check your Founder's Pack again. If a purchase of the Founder's Pack is refunded, the game removes its perks.
Leaderboards. On Android, your best scores stay on your device.
Notifications. If you allow notifications, the game schedules reminders on your phone, and we do not send push notifications. You can turn them off in the game's Settings or in Android's Settings.
What we do not do
We do not run our own servers for Voidfall, we do not ask for your name or email address, we do not track you across other companies' apps or websites, and we do not sell your personal information.
Children
Voidfall is not directed at children under 13, and we do not knowingly collect personal information from them.
Contact and changes
Email [email protected] to ask a privacy question or raise a concern. We will update this page when the app's data practices change.