← Choose a puzzle
Introduction · 035 pieces

Think ahead

A small move opens the way.

A piece that stops partway can block another path.

Step 1 · Introduction

Learn arrows, stopping and opening paths one puzzle at a time. Undo one move when nothing moves.

Find your difficulty →

Free · No download or sign-in

L1483 · 0.6.0

01

A piece that stops partway can block another path.

How we use dataCredits and licenses