A river crossing puzzle is a classic logic problem that requires players to navigate individuals across a river using a limited amount of resources. However, there are various synonyms for this type of puzzle that are used across different cultures and languages. In some countries, it may be known as the crossing the river with a wolf, sheep and cabbage puzzle, while in others it is referred to as the farmers crossing the river puzzle. The puzzle can also be called the cannibals and missionaries problem or the boatman puzzle. No matter what it's called, this popular puzzle has been entertaining people for centuries and remains a favorite challenge for problem solvers and logic enthusiasts alike.