Puzzle & Word · Open source
Einstein's Riddle
Sidhant
Einstein's Riddle (also known as the Zebra Puzzle)
Download
Opens the official F-Droid page
About Einstein's Riddle
FEATURES:
- 100% Privacy: Fully offline play. No data collection, tracking, or network requests required.
- Completely Ad-free: No ads, no interruptions.
- No Trackers: Zero analytics, zero telemetries, zero third-party SDKs.
- Infinite Levels: Unlimited dynamically generated logic puzzles with guaranteed unique solutions. Daily Challenge is same for everyone.
How to install Einstein's Riddle
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open Einstein's Riddle from your app drawer.



