Lambda Incident

The Lambda Incident [or the Black Mesa Incident] was the event that resulted in the invasion of the Xen forces. Ultimately, after the Nihilanth's death, portal storms spread across planet Earth, which led to the eventual invasion of the Combine.

Known Survivors

 * Carley
 * CarnageGameWorld
 * The G-Man
 * Natsudragnir-F
 * NJ32power
 * Philippe
 * Scratchykai
 * Shazanov
 * SmoshiWorldPie
 * UndeadShadow64
 * X123Mini456

Allies

 * Black Mesa Science Team
 * CarnageGameWorld [Science Team]
 * Natsudragnir-F [Inspection Personnel]
 * Scratchykai [Administration Personnel]
 * Philippe [Administration Personnel]
 * UndeadShadow64 [Science Team]
 * X123Mini456 [Service Personnel]
 * An unknown amount of scientists/civilian workers
 * Black Mesa Security Force
 * SmoshiWorldPie [Security Force]
 * Spiker-X [Security Force; deceased]
 * An unknown amount of security guards
 * Federal Government of the United States
 * NJ32power [Hazardous Environment Combat Unit]
 * Shazanov [Hazardous Environment Combat Unit]
 * An unknown amount of HECU/Black Ops soldiers

Enemies

 * Xen forces
 * Wildlife
 * Barnacles
 * Bullsquids
 * Gonarch†
 * Headcrabs
 * Houndeyes
 * Ichthyosaurs
 * Snarks
 * Tentacles
 * Military Units
 * Nihilanth†
 * Xenian Aircrafts
 * Xenian Controllers
 * Xenian Gargantuas
 * Xenian Grunts
 * Xenian Slaves
 * Race X Forces
 * Gene Worm†
 * Pit Worm†
 * Pit Drones
 * Shock Troopers
 * Voltigores

Trivia

 * Although Race X do not appear in the fanfiction, they are mentioned by NJ32power.