In Half-Life, players assume the role of Dr. Gordon Freeman, a recently graduated theoretical physicist who must fight his way out of an underground research facility whose teleportation experimentations have gone terribly wrong. The game was the first first-person shooter with a story told entirely in-game in real time, without the use of cutscenes Half-Life begins with a long expository sequence that situates the player in the game's environment prior to serious action or gameplay. The...