The Ship: Murder Party

The Ship: Murder Party is a first-person shooter video game made with Valve Corporation Source engine. The first playable concept of The Ship was released as a modification for well-known and famous video game Half-Life 2.
The year is 1920. The setting is a cruise ship where each player has the mission to secretly murder other player when nobody is watching. Also, despite the killing the player has to be aware of their own hunters.
The story is about a man called Mr. X, who has handed free tickets for players in his cruise ship. Of course, the player's characters don’t know that once they are on the ship they will have to kill other passengers and if a passenger chooses not to do so the Mr. X will kill him or her immediately by feeding him or her to sharks.
The Ship has single-player and multiplayer modes. In single-player, the player gets the role of second class passenger named Charlie Panther who is welcomed by Mr. X talking about his requirements for the passenger which includes killing other people on the ship. In multiplayer mode each player gets a nickname and has the objective to kill certain person on the ship.