1962 (Sensorama)Morton Heilig was created an immersive theatre in 1962 and was recognised as a pioneer to VR.1974 (Maze War)a game that claimed to be the first 3D FPS game. It was also recognised as the first game to represent players as avatars.1976 (Multi-User Dungeon (MUD))This was adventure game, known as the first open text-based real-time multiplayer virtual world.1983 (Pinball Construction Set)This was the first video game featuring UGC (User-generated content).1987 (Habitat)One of the...