Pokémon Duel was a free game for mobile devices. It was a virtual board game developed by Heroz and published by The Pokémon Company. On July 26, 2019, it was announced that service for Pokémon Duel would end on October 31 of the same year.
The game's plot revolved around the player going to Carmonte Island, an island with ten hotels. They tried to beat the ten hotel owners in duels. However, only six out of ten hotels had been shown when the game service ended. The player was assisted by a sentient AI named Carlo.