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Understand the basics of River Crossing Puzzle

Take a closer look while playing

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.

Understand the aim

Read the position before choosing your next action. Carry the wolf, goat and cabbage across the river without leaving an unsafe pair unattended. The game area remains available above the explanation.

Step by step

  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.

Input guidance

Begin with the basic rule, then follow the result of your action. Choose Cross alone, Take Wolf, Take Goat or Take Cabbage. Buttons for passengers on the other bank are unavailable. Try the rule on the board, then read the next instruction.

Put the rules into context

Check the rule below as you play. 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.

Check this before moving on

Read the position before choosing your next action. 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.

Helpful answers for players

When I start, what is the aim of River Crossing Puzzle?

Carry the wolf, goat and cabbage across the river without leaving an unsafe pair unattended. You can start a new round from the game controls.

During a round, how do the controls work?

Choose Cross alone, Take Wolf, Take Goat or Take Cabbage. Buttons for passengers on the other bank are unavailable. The controls work with mouse or touch.

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. You can start a new round from the game controls.

On this page, which mistake should I avoid?

The farmer sometimes must bring a passenger back. Only moving forward is not enough to solve the puzzle. The game is played locally in your browser.

On this page, 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. You can start a new round from the game controls.

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, 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.

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.

For this game, can I carry two passengers?

No. The boat holds the farmer and at most one passenger. The controls work with mouse or touch.

When I start, how many crossings are needed?

The shortest solution uses seven crossings, including return trips. The worked example offers another way to follow the rule.