Start bright
Your route always begins at the glowing lime node. There is one guaranteed solution in every generated grid.
ONE PATH · EVERY NODE · BEAT THE CLOCK
Think fast.
Trace clean.
Start on the bright node. Visit every open node exactly once by moving up, down, left, or right. Walls break the route. Each solved grid gets harder.
Press Start to generate a route.
Keyboard: arrow keys · Touch: swipe or tap an adjacent nodeNever cross
Move only to an adjacent open node. A visited node cannot be used twice. Undo if you trap yourself.
Build a streak
Complete the entire route for points and bonus time. Every level adds nodes and reduces your margin.
ORIGINAL BROWSER PUZZLE
A two-minute brain break with no install.
Grid Pulse is designed for quick sessions on desktop or mobile. It stores only your highest score in your own browser. No login, tracking profile, or purchase is required.