1

• 1500 Megawatt Aperture Science Heavy Duty Super-Colliding Super Button

A

• AK-47
• AR3
• Advanced Biological Research Lab
• Advanced Knee Replacement
• Advisor Platform
• AirEx Truck
• Alien Combine Soldier
• Alien Quarantine Labs
• All-Knowing Vortigaunt
• Alyx's cache
• Al Anderson
• Animal King
• Antlion Detector
• Antlion King
• Aperture Science Aerial Faith Plate
• Aperture Science Announcement System
• Aperture Science Cube Button
• Aperture Science Emergency Intelligence Incinerator
• Aperture Science High Energy Pellet
• Aperture Science Laser Field
• Aperture Science Material Emancipation Grill
• Aperture Science Multitasking Arm
• Aperture Science Panel
• Aperture Science Pipe Network
• Aperture Science Radio
• Aperture Science Security Camera
• Aperture Science Switch
• John Applegate
• Archer
• Area 8 Topside Dormitories
• Arlene
• Armstrong
• Matthew Armstrong
• John Aylward

B

• Backman (scientist)
• Backman (security guard)
• Stephen Bahl
• S. Bahl
• Bahl (scientist)
• Kelly Bailey
• Bailey (scientist)
• Bailey (security guard)
• Dee Bradley Baker
• Barnacle Grapple
• Dwight T. Barnes
• Bass
• Beier
• Jeremy Bennett
• Bernier
• Bill Van Buren
• Binoculars (cut item)
• Biological Waste Processing Plant
• Birdwell
• Black
• Black Hole Gun
• Black Mesa Air Control
• Black Mesa Ceiling Turret
• Black Mesa Medical Lab
• Black Mesa South Access
• Black Mesa Transit System
• Black Mesa desert
• Black Mesa truck
• Black Ops Mortar
• Brenda Bogenschutz
• Bond
• Brickbat

C

• Car battery
• Charles Cardoze
• Casali
• Cassello
• Caughley
• Cavanaugh
• Charger (Xen creature)
• City 11
• City 12
• City 13
• City 14
• City 15
• City 16
• City 24
• City 27
• City 40
• City 49
• City 8
• Cloaking device
• Combat Knife
• Combine Assassin
• Combine Assassin tank
• Combine Big Momma Pod
• Combine Binoculars
• Combine Dispenser
• Combine Emitter
• Combine Guard Gun
• Combine Heavy Door
• Combine Launcher
• Combine Monitor
• Combine SWAT Truck
• Combine Security Door
• Combine Synth Elite Soldier
• Combot
• Confiscation Field
• Consoling Couple
• Cook
• Coomer (scientist)
• Coomer (security guard)
• Cooper
• Cooperative Testing Courses
• Jonathan Coulton
• Robert Culp

D

• Daniel
• Delivery cart
• Desert Launcher
• P. Deupree
• Deupree
• Digger
• Directed Design Experiments
• Donaldson
• Door Tower
• Drawbridge
• Dunn
• Dynamite

E

• Emergency flare
• Energy Grenade
• Enrichment Shafts
• Exile Vilify

F

• F-117 Nighthawk
• F-16 Fighting Falcon
• FIM-92 Stinger
• FakeFactory's Cinematic Mod
• Chet Faliszek
• Fase
• Fast Walker
• J. Faulkenbury

F cont.

• The Final Hours of Portal 2
• Fire Extinguisher
• Flash Grenade
• Flocking Floater
• Freight Yard
• Jim French
• Futbol

G

• GLaDOS/Screen images
• GR9
• Gamma Labs
• Gearbox Software
• Generator trailer
• Alésia Glidewell
• Lazarus Grey
• Guthrie (scientist)
• Guthrie (security guard)

H

• HECU Dam Turret
• HECU Double Turret
• HECU Engineer
• HECU Medic
• HECU Radio
• HECU Sniper
• HK-707
• Half-Life 2: Episode Four
• Half-Life Deathmatch: Source
• Half-Life Preliminary Findings
• Half-Life SDK
• Half-Life: Blue Shift soundtrack
• Half-Life: Day One
• Half-Life: Further Data
• Half-Life: Generation
• Half-Life: Initial Encounter
• Half-Life: Opposing Force soundtrack
• Half-Life: Singularity Collapse
• Half-Life: Uplink (film)
• Harold
• Harpoon
• R. Heironimus
• Rob Heironimus
• Heironimus (scientist)
• Hess
• Brian Hess
• Hood
• Doug Hopper
• Ben Houge
• Hover Turret
• Hunter-Chopper Bomb

I

• Ice Axe
• Immolator
• Incendiary Rifle
• Inney
• Mary Kae Irvin
• Isabel Teasley
• Ivan the Space Biker

J

• Jackson
• Jacob
• Jeep Barnett
• Chris Jensen
• Jet Ski
• Joe
• Johanson
• Johnson
• Chuck Jones
• Jones (scientist)
• Jones (security guard)
• S. Jones