Help center
How can we help?
Browse common questions or reach out directly. Real humans on the other end, typically within 24 hours.
Yes. Luma is free to download on Android now, and Crux will also be free when it launches. We sustain the studio through optional purchases while keeping the core experience free.
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.
Both games are offline-first. The full single-player experience works without a connection. Multiplayer and leaderboards require Wi-Fi or cellular.
Luma is available on Android now. Its iOS release and Crux for iOS and Android are coming soon. A web build is also in development — check the roadmap for the latest.
Optional cosmetic packs (themes, board styles), merch, and a small annual studio supporter membership. We've chosen sustainable over maximal.
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.
Email bugs@brainloom.fun with a description of what happened, your device model, and OS version. Screenshots or screen recordings are very helpful.