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Netwalk: how a round works

One thing to notice as you play

Check the rule below as you play. Every cable end must meet the corresponding end of a neighbouring tile; no cable may point outside the board.

What you are aiming for

Rotate tiles to form one connected network reaching every cell, without loose ends or loops.

From the start of a round

  1. A new 5×5 network is created and its tiles are rotated.
  2. Tap a tile to turn it clockwise by a quarter-turn. Tiles connected to the central server light up.
  3. Every cable end must meet the corresponding end of a neighbouring tile; no cable may point outside the board.
  4. Connect all 25 cells in one network. The finish check accepts any valid complete network, not just the generator’s saved orientation.

Controls

A careful first move helps you understand the round. Tap network tiles to rotate. Use Undo for the previous rotation and New puzzle for another generated layout.

Follow the example

Begin with the basic rule, then follow the result of your action. A tile with north and east cables connects only to matching south and west cables on those neighbours. Start a new round when you are ready to try again.

A useful caution

Begin with the basic rule, then follow the result of your action. A tile glowing green only means it reaches the server. The whole board also needs every end matched and all cells connected.

Further help with the game

When I start, what is the aim of Netwalk?

Rotate tiles to form one connected network reaching every cell, without loose ends or loops. Use the labelled controls for your next action.

For this game, how do the controls work?

Tap network tiles to rotate. Use Undo for the previous rotation and New puzzle for another generated layout. Use the labelled controls for your next action.

On this page, can you show an example?

A tile with north and east cables connects only to matching south and west cables on those neighbours. No download or player account is required.

Which mistake should I avoid?

A tile glowing green only means it reaches the server. The whole board also needs every end matched and all cells connected. The game is played locally in your browser.

On this page, what rules and limits are used here?

Random 5×5 spanning-tree layouts are solvable by construction. Unique solution is not claimed; every valid connected, loop-free solution is accepted. The game is played locally in your browser.

For this game, how many people can play here?

Solo. This is local browser play, not internet matchmaking. You can start a new round from the game controls.

For this game, why are some tiles green?

They have a chain of matching cable ends to the central server. The game is played locally in your browser.

For this game, can a cable leave the board?

No. This version has fixed boundaries and no wrapping. No download or player account is required.

For this game, is every puzzle solvable?

The generator starts from a connected tree and rotates its tiles, so the original orientation is a valid solution. The worked example offers another way to follow the rule.

When I start, must I find exactly the stored answer?

No. Any orientation with all ends matched, all cells connected and no loop completes the puzzle. You can start a new round from the game controls.