Objectives / Rules

- Find the route of the track.
- There is only one start and one end to the track.
- The track doesn't cross itself.
- The clues tell you how many track pieces are in that row or column.

See the Basic Ideas or Walkthrough below for extra tips and tricks.

What are the numbers for?

These tell you how many track pieces there are in the rows and columns.

Click or move your mouse over the puzzle to see the answer.

These tell you how many track pieces there are in the rows and columns.

Click or move your mouse over the puzzle to see the answer.

## Basic Ideas

Clicking a track square will place either an unknown track piece or a cross.

Clicking between the squares will force a track direction, once there are exactly two track directions the system will place the correct track piece.

**Note:**the track piece cannot be changed if there are exactly two track directions.There is only one start and one end to the track.

## Walkthrough

Step 2

As this is 4 × 4 puzzle we know that every square in these columns is a track piece (but we're not yet sure in which direction). Clicking the squares will place an unknown track piece.

As this is 4 × 4 puzzle we know that every square in these columns is a track piece (but we're not yet sure in which direction). Clicking the squares will place an unknown track piece.

Step 3

As this is a corner square, there is only one possible direction for the track to take, so we can click between the track squares to force the direction.

As this is a corner square, there is only one possible direction for the track to take, so we can click between the track squares to force the direction.

Step 4

Forcing the corner direction means that the track must leave the corner to the right, which means that this 1 clue is now satisfied and all of the other squares in this column cannot be track pieces, so we can place an X in each.

Forcing the corner direction means that the track must leave the corner to the right, which means that this 1 clue is now satisfied and all of the other squares in this column cannot be track pieces, so we can place an X in each.

Step 5

These clues can only be satisfied in one way, so we can place track pieces and X's as required.

These clues can only be satisfied in one way, so we can place track pieces and X's as required.

Step 6

The track can only go one way through these squares.

The track can only go one way through these squares.

Step 7

The track can only go one way through these squares.

The track can only go one way through these squares.

Step 8

The track can only go one way through this square, and the puzzle completes.

The track can only go one way through this square, and the puzzle completes.

Step 9

The completed puzzle.

The completed puzzle.

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