Among Us is a 2018 online multiplayer social deduction game where players complete tasks on a spaceship while secret impostors try to sabotage the ship and kill other players without being discovered. The game was inspired by the party game Mafia and takes place on a spaceship instead of in a home to make gameplay more interesting. It was initially intended to be a mobile-only local multiplayer game but received an online multiplayer update after gaining a small but dedicated fan base, which helped the game succeed on Steam.