Among Us is a science-fiction murder mystery game that follows a group of Crewmates who have Impostors among them. The Impostor's goal is to Sabotage their ship and kill everyone. The Crewmates need to complete tasks and vote out the Impostor.
Among Us online is offline multiplayer game in which you are imposter and have to kill all of your crewmates without being notice. Use vent system, sabotage system or make custom setting in game to give yourself more challenge.