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River Crossing Puzzle: a guide for your next round

Give this approach a try

Take a moment to check the current turn. Cross alone or take someone on the same bank as the farmer. Unsafe crossings are rejected before the state changes. Keep the goal in mind before your next move.

The challenge in front of you

Take a moment to check the current turn. Carry the wolf, goat and cabbage across the river without leaving an unsafe pair unattended.

The order of play

  1. Everyone starts on the near bank. The farmer rows and can take at most one passenger.
  2. The wolf cannot stay with the goat without the farmer. The goat cannot stay with the cabbage without the farmer.
  3. Cross alone or take someone on the same bank as the farmer. Unsafe crossings are rejected before the state changes.
  4. Bring all four across. Use Undo or Restart to explore another sequence.

The controls to know

Choose Cross alone, Take Wolf, Take Goat or Take Cabbage. Buttons for passengers on the other bank are unavailable. Keep the goal in mind before your next move.

One way to understand the rules

Taking the goat first leaves the wolf with the cabbage, which is safe. Taking the wolf first would leave the goat with the cabbage and is refused. Start a new round when you are ready to try again.

Pay attention to this rule

Keep the goal in view while choosing a move. The farmer sometimes must bring a passenger back. Only moving forward is not enough to solve the puzzle. Start a new round when you are ready to try again.

Answers about the rules and controls

On this page, what is the aim of River Crossing Puzzle?

Carry the wolf, goat and cabbage across the river without leaving an unsafe pair unattended. A new round resets the current game.

When I start, how do the controls work?

Choose Cross alone, Take Wolf, Take Goat or Take Cabbage. Buttons for passengers on the other bank are unavailable. Scores here do not represent cash or prizes.

For this game, can you show an example?

Taking the goat first leaves the wolf with the cabbage, which is safe. Taking the wolf first would leave the goat with the cabbage and is refused. A new round resets the current game.

Which mistake should I avoid?

The farmer sometimes must bring a passenger back. Only moving forward is not enough to solve the puzzle. Use the labelled controls for your next action.

For this game, what rules and limits are used here?

The classic single wolf–goat–cabbage puzzle, with one-passenger boat and seven-crossing optimal solution. No claim of a large level collection. Scores here do not represent cash or prizes.

For this game, how many people can play here?

Solo. This is local browser play, not internet matchmaking. Scores here do not represent cash or prizes.

For this game, can the farmer travel alone?

Yes. Cross alone moves only the farmer and boat to the opposite bank. The game is played locally in your browser.

During a round, why was my crossing refused?

It would leave the wolf with the goat or the goat with the cabbage without the farmer. A new round resets the current game.

Can I carry two passengers?

No. The boat holds the farmer and at most one passenger. The instructions above use these same rules.

When I start, how many crossings are needed?

The shortest solution uses seven crossings, including return trips. A new round resets the current game.