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Interactive River Crossing Puzzle.

The Family and the Boat is a variant of the popular river crossing puzzle. A man, a woman and two children had to go to the opposite bank of a river using a boat. The man and the woman weighed 100 kg each, and the two children weighed 50 kg each. Given that the boat can carry up to 100 kg and that everyone can drive a boat, how can all four pass with this boat?

The River Crossing Puzzle includes the following elements:
  • 2 adults 100 kg each
  • 2 children 50 kg each
  • 1 boat 100 kg maximum load
  • Drag and drop engine for interaction.
Program code and drawings by Ogo Bob.

The Family and the Boat River Crossing Puzzle

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How to play River Crossing Puzzle.

To put someone in the boat, drag and drop him/her from the river bank(green elipse) in to the boat. To remove someone from the boat drag and drop him/her from the boat to the river bank where the boat is situated. If the boat is overloaded or empty the arrow button glows in red colors. If the boat can move the arrow glows in green, use it then to cross the river. Good luck! :)

Knowledge Achievements:
Know how to solve river crossing puzzles and get +1 Knowledge Level.
Difficulty: Hard.

The Family and the Boat River Crossing Puzzle Screenshot

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Solution.

The two children cross the river first. One returns, then the father cross the river alone. The second child returns with the boat. The two children cross the river again and one of them returns. The mother cross the river alone and the second child returns by boat to pick up the first. The two children cross to the other shore and the family lives happily ever after.

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