Gears Spinning
These monstrous enemies emerged from underground on Emergence Day.
Locust
This Commander is the main protagonist of the original trilogy.
Shepard
This engineer is the main protagonist of the series.
Isaac Clarke
This physicist becomes an unlikely hero after the Black Mesa incident.
Gordon Freeman
This Spartan supersoldier is the main protagonist of the Halo series.
Master Chief
Marcus Fenix’s closest friend and squadmate, known for his blue armor accents.
Dom (Dominic Santiago)
These ancient synthetic machines awaken every 50,000 years to wipe out advanced civilizations.
The Reapers
The primary enemies in the series—reanimated corpses twisted into horrific forms.
Necromorphs
The alien creatures that first teleport into Black Mesa.
Headcrabs
These alien enemies form an alliance united under a religious belief about the Halo rings.
The Covenant
This powerful chainsaw-equipped rifle is the COG’s most iconic weapon.
Lancer
This blue-skinned species includes Liara, who can live for over 1,000 years.
Asari
This massive mining ship is where the first game takes place.
This totalitarian alien empire controls Earth in Half-Life 2.
This AI companion assists Master Chief through many missions.
Cortana
Queen Myrrah leads this mutated faction that rose from the Locust after sinking beneath the surface.
Lambent
This organization created Commander Shepard and funded the Lazarus Project.
Cerberus
The cult-like religion that worships the Markers.
Unitology
Gordon’s iconic melee weapon used throughout the series.
The Crowbar
These ancient ring-shaped megastructures can destroy all sentient life in the galaxy.
The Halo Rings
The city destroyed by a Lightmass Bomb at the end of the first game.
Timgad
This starship, captained by Shepard, is one of the most advanced stealth vessels in the Alliance fleet.
Normandy
Isaac’s engineering weapon famous for strategic limb dismemberment.
This scientist, known for his cryptic speeches, appears to guide—or manipulate—Freeman.
The G-Man
The parasitic species responsible for multiple galaxy-wide catastrophes.
The Flood