Find your level.
Four difficulties. A three-mistake challenge, or practice with no mistake limit. Pick up where you left off.
EchoSudoku
A QUIET LITTLE GAME, WITH ECHO
A little space
to think.
Nine numbers. A little patience. A bear for company.
Make room for a quiet moment with EchoSudoku.
ANDROID 8.0+ · OFFLINE · NO ADS
one cell at a time.01 — 04A SMALL PAUSE IN THE EVERYDAYSCROLL ↓
01 / TAKE YOUR TIME
The next number
is closer than you think.
Four spaces left in this little puzzle. Pick a dotted cell, then a number. There’s no clock here. Echo can offer a nudge if you need one.
A small taste of the Android game. Your app progress stays separate.
A LITTLE PUZZLE
Four cells. One quiet moment.
Choose a dotted cell to begin.
“Let’s look at itECHO / YOUR QUIET COMPANION
one row at a time.”
02 / UNDERSTAND THE WHY
A small nudge.
An “aha” of your own.
Clear hints explain the reasoning. Six interactive lessons let you try the real grid, from the first number to notes and quick mode. Learning never changes your current game.
A nudge from Echo↗03 / LITTLE MOMENTS, REMEMBERED
A little more focus.
A little more you.
Daily puzzles, a play-time heatmap and sixteen tiered medals. Gentle ways to notice your progress, at a pace that feels like yours.
FOUR FAMILIES · SIXTEEN MEDALS IN THE GAME
A game that gives you room.
Make it feel like you.
Five themes, pencil notes, undo, and a quicker way to enter numbers. Motion and haptics are yours to switch off.
Just you and the grid.
No account. No ads. Play and learn offline. Save on your device, with manual backup and restore.
See you in
the next little square.
A little space to think, wherever the day takes you.
Get it for Android↗Explore the source ↗ANDROID 8.0+ · OFFLINE · NO ADS