Einstein Riddle: Logic Grid

Love Einstein's riddle and zebra puzzles? Einstein Riddle: Logic Grid is a calm, picture-based logic puzzle game. Read the clues, rule out what can't be true, and work your way to the one answer. Every puzzle is solved by pure deduction. You never have to guess.

HOW IT PLAYS
Pick a square in the grid and tap a picture to rule it out. Hold a picture to lock it in. Clues are shown one at a time with a small picture of what they say, so the grid stays easy to read on any phone or tablet.

WHAT YOU GET
- Thousands of levels that climb from easy to hard, with new ones added regularly
- No guessing, ever: every puzzle has exactly one solution you can reach with logic alone
- A new daily puzzle every day, with a calendar to catch up on days you missed
- Story puzzles: illustrated scenes with a little tale to follow
- Four kinds of help when you are stuck: Hint, Extra Clue, Board Check and Super Hint
- No timers, no lives, no pressure. Take as long as you like
- Play offline. No Wi-Fi needed on the bus, plane or couch
- Light and dark themes, bright hand-drawn picture chips
- Optional Google Play Games sign-in for achievements and cloud save

FAIR BY DESIGN
No forced ads and no ads in the middle of a puzzle. The only ads are optional videos you choose to watch for a free hint. You never have to play an unrelated mini-game to unlock the next level.

WHO IS IT FOR?
New to logic grids? The first levels walk you through the basics. A veteran of Einstein riddles and zebra puzzles? The hard levels will put your logic to the test.

Download it, sharpen your logic and see how far you can get.

Recent changes:
New look, brighter picture chips, a fresh level map, free boosters to try, and Play Games achievements with cloud save. Plus smoother clues and fixes.