This subject is related to the Black Mesa Incident era.
This subject is related to the Combine era.
This subject is related to the Portal era.
This subject is related to the Portal 2 era.

Locations in the Half-Life and Portal universe

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This subject is related to the Black Mesa Incident era.
This subject is related to the Combine era.
This subject is related to the Portal era.
This subject is related to the Portal 2 era.

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This article lists the locations featured in the Half-Life and Portal universe, sorted by game and in chronological order.

Half-Life and its expansions[edit]


Main locations: Black Mesa Research Facility, Xen

Chapter Location Map(s)
Hazard Course Sector A - Black Mesa Training Facility t0a0, t0a0a, t0a0b, t0a0b1, t0a0b2, t0a0c, t0a0d
Black Mesa Inbound Black Mesa Transit System - Sector C Line c0a0, c0a0a, c0a0b, c0a0c, c0a0d, c0a0e
Anomalous Materials Sector C - Anomalous Materials Laboratory c1a0, c1a0a, c1a0b, c1a0d, c1a0e
Unforeseen Consequences c1a0c, c1a1, c1a1a, c1a1f
Sector B - Coolant Reservoir Facility c1a1b, c1a1c, c1a1d
Office Complex Sector D Administration Center c1a2, c1a2a, c1a2b, c1a2c, c1a2d
"We've Got Hostiles" High Security Materials Storage Area c1a3, c1a3a, c1a3b, c1a3c, c1a3d
Blast Pit Silo D c1a4, c1a4b, c1a4d, c1a4e, c1a4f, c1a4g, c1a4i, c1a4j, c1a4k
Power Up Sector E Track Control c2a1, c2a1a, c2a1b
On A Rail Materials Transport c2a2, c2a2a, c2a2b1, c2a2b2, c2a2c, c2a2d, c2a2e, c2a2f, c2a2g
High Altitude Launch Center c2a2h
Apprehension Unnamed industrial area c2a3, c2a3a, c2a3b, c2a3c, c2a3d, c2a3e
Residue Processing Biological Waste Processing Plant c2a4, c2a4a, c2a4b, c2a4c
Questionable Ethics Advanced Biological Research Lab c2a4d, c2a4e, c2a4f, c2a4g
Surface Tension Sector G - Topside Hydro Plant c2a5
Black Mesa desert c2a5a, c2a5w, c2a5x
Topside Motorpool c2a5b, c2a5c, c2a5d, c2a5e, c2a5f, c2a5g
Waste Processing Area 3 c2a5g
"Forget About Freeman!" Sector F Lambda Bunker c3a1, c3a1a, c3a1b
Lambda Core Hazardous Materials Handling Bays c3a2e, c3a2
Lambda Reactor Coolant System c3a2a, c3a2b
Lambda Reactor c3a2c, c3a2d, c3a2f
Xen Xen c4a1
Gonarch's Lair c4a2, c4a2a, c4a2b
Interloper c4a1a, c4a1b
Mines c4a1c, c4a1d, c4a1e, c4a1f
Nihilanth c4a3
Endgame c5a1

Half-Life: Opposing Force[edit]

Main locations: Santego Military Base, Black Mesa Research Facility, Xen

Note: In all chapters after We Are Not Alone, Xen can be accessed using the Displacer Cannon's secondary fire.

Chapter Location Map(s)
Boot Camp Santego Military Base ofboot0, ofboot1, ofboot2, ofboot3, ofboot4
Incoming Inside of an Osprey Heliplane above the Black Mesa desert of0a0
Welcome to Black Mesa Black Mesa Medical Lab of1a1
Black Mesa Transit System of1a2, of1a3, of1a4, of1a4b
"We Are Pulling Out" of1a5, of1a5b, of1a6
Missing in Action Blast furnaces of2a1, of2a1b
Storage Areas 2 and 3 of2a2, of2a3
Friendly Fire Sector E - Lambda Sector Transport of2a4, of2a5, of2a6
We Are Not Alone Sector F - Lambda Reactor of3a1
Xen of3a1b, of3a2
Sector A - Black Mesa Training Facility (Displacer Cannon) of3a2
Crush Depth Hydrofauna Studies Laboratory of3a4, of3a5, of3a6
Xen (Displacer Cannon)
Vicarious Reality Sector E - Black Mesa Biodome Complex of4a1, of4a2, of4a3
Xen (Displacer Cannon)
Pit Worm's Nest Waste Processing Area 3 of4a4, of4a5
Xen (Displacer Cannon)
Foxtrot Uniform Sector G Freight hangars of5a1, of5a2, of5a3
Topside Hydro Plant of5a4
Xen (Displacer Cannon) of5a1, of5a2, of5a3, of5a4
"The Package" Black Mesa desert of6a1
Ordinance Storage Facility of6a2, of6a3
Parking Garage of6a3, of6a4
Xen (Displacer Cannon) of6a1, of6a2, of6a3, of6a4
Worlds Collide Level 4 Storage Unit of6a4b, of6a5
Xen (Displacer Cannon)
Conclusion Various locations, inside of an Osprey Heliplane of7a0

Half-Life: Blue Shift[edit]

Main locations: Black Mesa Research Facility, Xen

Chapter !Location Map(s)
Hazard Course Sector A - Black Mesa Training Facility ba_hazard1, ba_hazard2, ba_hazard3, ba_hazard4, ba_hazard5, ba_hazard6
Living Quarters Outbound Area 8 Topside Dormitories ba_tram1
Black Mesa Transit System - Sector C Line ba_tram2, ba_tram3
Insecurity Sector C Area 3 Security Facilities ba_security1, ba_security2
H-E Particle Labs ba_maint
Sector G Main Access Lift ba_elevator
Duty Calls Small Materials Storage Area ba_canal1, ba_canal1b
Drainage Canal ba_canal2, ba_canal3
Captive Freight Freight Yard ba_yard1, ba_yard2, ba_yard3a, ba_yard3b, ba_yard3, ba_yard4, ba_yard4a, ba_yard5, ba_yard5a
Focal Point Section A-17 Prototype Labs ba_teleport1, ba_teleport2
Xen ba_xen1, ba_xen2, ba_xen3, ba_xen4, ba_xen5, ba_xen6
Power Struggle Section A-17 Prototype Labs ba_power1, ba_power2
A Leap of Faith ba_teleport2
Deliverance Black Mesa South Access Tunnel ba_outro

Half-Life: Decay[edit]

Main locations: Black Mesa Research Facility, Xen

Chapter Location Map(s)
Dual Access Sector C - Anomalous Materials Operations Center ht01accident, ht01accident2
Hazardous Course Sector A - Black Mesa Training Facility ht02hazard
Surface Call Satellite Communications Center ht03uplink
Resonance Unnamed Decay location ht04dampen
Black Mesa Transit System
Domestic Violence Black Mesa Transit System ht05dorms
Level 3 Dormitories
Code Green Black Mesa Air Control ht07signal
Crossfire Gamma Labs ht10focus
Intensity Alien Quarantine Labs ht11lasers
Rift Gamma Labs ht12fubar, htoutro
Xen Attacks Xen ht99alien
Parking Garage

Half-Life 2 and its Episodes[edit]

Half-Life 2[edit]

Main locations: City 17, The Wasteland

Chapter Location Maps(s)
Point Insertion City 17 Trainstation d1_trainstation_01, d1_trainstation_02, d1_trainstation_03, d1_trainstation_04
"A Red Letter Day" Kleiner's Lab d1_trainstation_05, d1_trainstation_06,
Route Kanal Canals d1_canals_01
Station 1 d1_canals_01a, d1_canals_02,
Unnamed station d1_canals_03
Station 6 d1_canals_05
Water Hazard Station 7 d1_canals_06
APC garage d1_canals_07
Gate 5 d1_canals_08
Canals d1_canals_09, d1_canals_10, d1_canals_11, d1_canals_12,


Black Mesa East Black Mesa East d1_eli_01, d1_eli_02
"We Don't Go To Ravenholm..." Ravenholm d1_town_01, d1_town_01a, d1_town_02, d1_town_03, d1_town_02, d1_town_02a, d1_town_04,


Highway 17 Shorepoint Base d2_coast_01
New Little Odessa d2_coast_03
Dock 137 d2_coast_04
Petroleum Station d2_coast_05
Bridge Point d2_coast_07, d2_coast_08, d2_coast_07
Sandtraps Coast d2_coast_09
Lighthouse Point d2_coast_10
Vortigaunt Camp d2_coast_11
Coast d2_coast_12
Nova Prospekt Nova Prospekt d2_prison_01, d2_prison_02, d2_prison_03, d2_prison_04, d2_prison_05
Entanglement Depot d2_prison_06, d2_prison_07, d2_prison_08
Anticitizen One Kleiner's Lab d3_c17_01, d3_c17_02
City 17 d3_c17_03,







"Follow Freeman!" Overwatch Nexus d3_c17_09, d3_c17_10a, d3_c17_10b, d3_c17_11, d3_c17_12, d3_c17_12b, d3_c17_13,
Our Benefactors Citadel d3_citadel_01, d3_citadel_02, d3_citadel_03, d3_citadel_04, d3_citadel_05,
Dark Energy d3_breen_01

Half-Life 2: Lost Coast[edit]

Main location: St. Olga

Chapter Location Map(s)
Lost Coast The Coast d2_lostcoast

Half-Life 2: Episode One[edit]

Main location: City 17

Chapter Location Map(s)
Undue Alarm Citadel ep1_citadel_00,




Direct Intervention Citadel Core ep1_citadel_03,


Lowlife City 17 Underground ep1_c17_00, ep1_c17_00a
Urban Flight Hospital ep1_c17_01,




Exit 17 Technical Trainstation ep1_c17_05,


Half-Life 2: Episode Two[edit]

Main location: The Outlands

Chapter Location Map(s)
To the White Forest Victory Mine ep2_outland_01, ep2_outland_01a
This Vortal Coil ep2_outland_02,




Freeman Pontifex ep2_outland_05,


Riding Shotgun The Outlands ep2_outland_06a,



Under the Radar White Forest Inn ep2_outland_09,



Our Mutual Fiend White Forest ep2_outland_11,




T-Minus One ep2_outland_12a

Half-Life: Alyx[edit]

Main locations: City 17, Quarantine Zone

Chapter Location Map(s)
Entanglement Alyx's Hideout a1_intro_world
Russell's Lab a1_intro_world_2
The Quarantine Zone Quarantine Zone a2_quarantine_entrance
Metro Area a2_pistol
Vortigaunt Hideout a2_hideout
Is Or Will Be Drainage Tunnels a2_headcrabs_tunnel,


Fairview Junction a2_train_yard
Superweapon Terminal Gardens a3_station_street
The Northern Star Northern Star a3_hotel_lobby_basement,




Arms Race Holden Company Processing Plant a3_c17_processing_plant
Jeff Golden Lion Distillery a3_distillery
Captivity Central Zoo a4_c17_zoo
Revelations Tanker Yard a4_c17_tanker_yard
Breaking and Entering a4_c17_water_tower
Parking Garage a4_c17_parking_garage
Point Extraction Vault a5_vault,


Portal series[edit]


Main location: Aperture Science Enrichment Center

Chapter Location Map(s)
Test Chamber 00 Test Chamber 00 testchmb_a_00
Test Chamber 01
Test Chamber 02 testchmb_a_01
Test Chamber 03
Test Chamber 04 Test Chamber 04 testchmb_a_02
Test Chamber 05
Test Chamber 06 testchmb_a_03
Test Chamber 07
Test Chamber 08 Test Chamber 08 testchmb_a_04
Test Chamber 09 testchmb_a_05
Test Chamber 10 Test Chamber 10 testchmb_a_06
Test Chamber 11 testchmb_a_07
Test Chamber 12
Test Chamber 13 Test Chamber 13 testchmb_a_08
Test Chamber 14 Test Chamber 14 testchmb_a_09
Test Chamber 15 Test Chamber 15 testchmb_a_10
Test Chamber 16 Test Chamber 16 testchmb_a_11
Test Chamber 17 Test Chamber 17 testchmb_a_13
Test Chamber 18 Test Chamber 18 testchmb_a_14
Test Chamber 19 Test Chamber 19 testchmb_a_15
Various locations deep inside Aperture Science Enrichment Center escape_00

Portal 2[edit]

Main location: Aperture Science Enrichment Center

Chapter Location Map(s)
The Courtesy Call Aperture Science Extended Relaxation Center sp_a1_intro1
GLaDOS' testing track (Portal) sp_a1_intro2
Central AI Chamber sp_a1_wakeup
Incinerator Room sp_a2_intro
The Cold Boot Test Chamber 01 sp_a2_laser_intro
Test Chamber 02 sp_a2_laser_stairs
Test Chamber 03 sp_a2_dual_lasers
Test Chamber 04 sp_a2_laser_over_goo
Test Chamber 05 sp_a2_catapult_intro
Test Chamber 06 sp_a2_trust_fling
Test Chamber 07 sp_a2_pit_flings
Test Chamber 08 sp_a2_fizzler_intro
The Return Test Chamber 09 sp_a2_sphere_peek
Test Chamber 10 sp_a2_ricochet
Test Chamber 11 sp_a2_bridge_intro
Test Chamber 12 sp_a2_bridge_the_gap
Test Chamber 13 sp_a2_turret_intro
Test Chamber 14 sp_a2_laser_relays
Test Chamber 15 sp_a2_turret_blocker
Test Chamber 16 sp_a2_laser_vs_turret
Test Chamber 17 sp_a2_pull_the_rug
The Surprise Test Chamber 18 sp_a2_column_blocker
Test Chamber 19 sp_a2_laser_chaining
Test Chamber 20 sp_a2_triple_laser
Test Chamber 21 sp_a2_bts1
- sp_a2_bts2
The Escape Turret Manufacturing sp_a2_bts3
Employee Daycare Center sp_a2_bts4
Neurotoxin Generator sp_a2_bts5
Aperture Science Pipe Network sp_a2_bts6
Central AI Chamber sp_a2_core
The Fall - sp_a3_00
Test Shaft 09 sp_a3_01
The Reunion sp_a3_speed_ramp
The Itch "Self-made" Chamber sp_a4_intro
Wheatley's Test Chamber 01 sp_a4_tb_intro
Wheatley's Test Chamber 02 sp_a4_tb_trust_drop
Wheatley's Test Chamber 03 sp_a4_tb_wall_button
Wheatley's Test Chamber 04 sp_a4_tb_polarity
Wheatley's Test Chamber 05 sp_a4_tb_catch
Wheatley's Test Chamber 06 sp_a4_stop_the_box
Wheatley's Test Chamber 11 sp_a4_laser_catapult
Wheatley's Test Chamber 12 sp_a4_laser_platform
Wheatley's Test Chamber 15 sp_a4_speed_tb_catch
Wheatley's Test Chamber 16 sp_a4_jump_polarity
The Part Where He Kills You Central AI Chamber sp_a4_finale1
Maintenance areas sp_a4_finale2
Central AI Chamber sp_a4_finale4