Quick help
Purchase unavailable
Confirm that you are signed in to the Apple Account or Google Account used for the purchase, purchases are allowed, and your device has an active internet connection. Then fully close and reopen LUMEN.
Rewarded bonus unavailable
Rewarded bonuses require a network connection and available ad inventory. Wait briefly, check your connection, and try Relight or Ignite again.
Progress missing
Progress is normally stored on the device. Do not clear the app’s storage or reinstall before checking whether a device backup can restore the previous save.
Game will not start
LUMEN uses a 3D light engine. Update the app, restart the device, and try again on a current iOS or Android version.
Purchases and restoration
Apple and Google process payments for their respective stores. RevenueCat is used by native builds to validate purchases and manage entitlements. LUMEN never asks for your card number, bank details, or store-account password.
- Confirm the purchase finished successfully in the Apple or Google purchase sheet.
- Keep LUMEN open until the purchased item or entitlement appears.
- Use Restore Purchases for non-consumable access when changing devices or reinstalling.
- If a consumable mote pack or utility item was charged but not delivered, do not buy it repeatedly. Contact support with the details below.
Consumable mote packs and utilities
Mote packs and utility items are consumable purchases and are not restored like permanent access. If a completed transaction was not credited, contact support so the transaction can be investigated.
Refunds and billing
Billing and refund requests are handled by the store that processed the transaction. Use Apple’s report a problem service or Google Play purchase support as applicable.
Rewarded bonuses
Watching a rewarded advertisement is optional. LUMEN may offer Relight to refill the current run or Ignite to start a later run with extra light. A bonus is granted only after the advertising provider reports that the reward requirement was completed.
- Check that Wi-Fi or cellular data is working.
- Disable a VPN, DNS filter, or ad blocker temporarily and retry.
- Wait 30 seconds before retrying if an advertisement fails to load.
- Do not close the advertisement before the reward confirmation.
- Restart LUMEN if the bonus remains unavailable.
Ad availability is not guaranteed in every region or at every moment. If an advertisement closes without granting the bonus, include the approximate time and what appeared on screen when contacting support.
Progress and controls
LUMEN has no developer account or gameplay backend. Core gameplay, progression, and settings run on the device. Removing the app, clearing its storage, or changing devices may remove local progress unless it is preserved by an Apple or Android device backup.
Hold anywhere to expand the light. Slide while holding to steer left or right, then release to collapse the light. On desktop, Space holds the light, Left/Right or A/D steers, and Esc pauses.
Contact support
Email the developer and include enough information to reproduce the issue. Never send passwords or complete payment-card details.
- Device model and iOS, iPadOS, or Android version
- LUMEN version and platform
- Approximate date and time
- Screenshot or exact error message
- Purchase product and store receipt/order ID, if relevant
- Steps that caused the issue