Battle Royale (Batoru rowaiaru) (2000)

In the near future, the Japanese economy is in ruins and the streets are ruled by brutal, out-of-control teenagers. In an effort to quell the violence and divert aggression into something else, the authorities take 42 of the most violent kisd, dump them on an island with a variety of weapons and a map, and fit them with collars that explode if they trangress the rules. The kids then have three days to fight eachother to the death, the winner being the last one standing...

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