Half-Life

Half-Life (1998), Valve's debut title, blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Named Game of the Year by over 50 publications, it also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

Chapters

 * Black Mesa Inbound
 * Anomalous Materials
 * Unforeseen Consequences
 * Office Complex
 * "We've Got Hostiles"
 * Blast Pit
 * Power Up
 * On a Rail
 * Apprehension
 * Residue Processing
 * Questionable Ethics
 * Surface Tension
 * "Forget About Freeman!"
 * Lambda Core
 * Xen
 * Gonarch's Lair
 * Interloper
 * Nihilanth