The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.


Monkey Business

For some reason, Skinny Dakota, Monty Hall and yourself need to cross the Amazon river with three monkeys. These are delinquent monkeys, so there must be at least as many humans in one place as monkeys, or else the monkeys will gang up on the outnumbered human(s) and force him to dance to organ music.

Your group has a single two-primate canoe at your disposal, which can be piloted by any of the humans or Ed, the one smart monkey.

Can everyone cross the river in safety?

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