Since you can't charge a dead body with a crime, as long as any players of the game are licensed to carry weapons, and the game is played in an are where there is no possible harm of others, then yes. Playing Russian Roulette is legal.
'Roulette' is a gambling game involving a spinning wheel with a series of numbered, coloured partitions. A ball is dropped onto the wheel, and will come to rest on one of the partitions. Money is...