Puzzle
One arrow. The whole board answers.
Tap an arrow and its row turns. 27,500 levels, all playable offline.
A quiet arrow puzzle. Progress stays on your phone. Free, with ads off the play canvas.
What Echo does
One tap, whole board
Clearing an arrow rotates every arrow left on that row or column by 90 degrees. Plan two turns ahead.
Quiet by default
Built for a few minutes on the train, not a live-ops treadmill.
Yours on the phone
Progress lives in local storage. Ads stay off the play canvas.
How it works
- 01
Read the board
Every arrow sits in a row or a column. That is the whole language.
- 02
Tap an arrow
It clears, and the rest of its row or column turns.
- 03
Clear the pack
Packs of 25 on boards from 4x6 to 8x12, in Echo or Classic mode.