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How can we help?
Browse common questions or reach out directly. Real humans on the other end, typically within 24 hours.
Yes. Luma Words is free to download and play on Android now, and Crux will be free too when it launches. In Luma Words, coins buy hints: you earn them by playing, from optional short ads, or with a coin pack.
Research suggests puzzle and word games can support working memory, attention, and verbal fluency. They will also reliably make you feel smarter — which, frankly, is half the value.
No. Luma Words plays fully offline as a guest, no account needed. Sign in whenever you like to sync your progress, coins and rewards across devices.
Luma Words is available on Android now, with iPhone and web versions coming soon. Crux for iOS and Android is on the way too. Check the roadmap for the latest.
Optional purchases that keep the core games free. In Luma Words that means coin packs, optional short ads and Luma Plus, an optional subscription.
Go to Settings → Account → Reset progress. This is permanent and cannot be undone. Your purchase history is unaffected.
Open the game, go to Settings → Purchases → Restore. Make sure you're signed into the same App Store or Google Play account.
Luma Words has its own support page at luma.brainloom.fun/support, with answers about levels, lost progress and your account.
Email bugs@brainloom.fun with a description of what happened, your device model, and OS version. Screenshots or screen recordings are very helpful.