Roulette Horror: Shotgun Duel is a unique simulation game for Android that reimagines the concept of Russian roulette with a horror twist. Players engage in a tense showdown against a horror demon, where the objective is to survive by winning three rounds of buckshot roulette. The game introduces various strategic elements, allowing players to utilize an arsenal of items to gain an advantage and outsmart their opponent.

At the start of each game, players face a dealer who loads a shotgun with a random number of bullets. Players take turns shooting, with a focus on managing their lives and using items such as handcuffs, cigarettes, and expired medicine to shift the odds in their favor. Each round increases the maximum health, adding depth to the gameplay as players develop their strategies to defeat the dealer and emerge victorious.