River Passing Game

River Passing is one of the oldest classic IQ challenge games. Simple rule, however, to win this River Passing game is not easy. It requires players to be able to calculate and think logically in a complete way. Therefore, River Passing game is considered as one of the games that help developing intelligence the best.

How to play the River Passing game for those who haven't known:

1. Your task is to get 3 sheep and 3 wolves passed the river.

2. The boat can only carry 2 animals each time.

3. It needs at least one animal on the boat to sail.

4. At any time of the River Passing game, if the number of wolves is greater than the number of sheep, the sheep will immediately be eaten.