Extension | Counter Strike Online Wiki | Fandom

Extension is a map in Counter-Strike Online.

Background[]

A building called "英雄城寨"( Heroes' Walled City in Chinese)in Hong Kong, China.

Applied modes[]

Release date[]

South Korea: 21 September 2023.

Gallery[]

CS	747 • Assault (Halloween) • Back Alley • Estate (Kindergarten) • Havana • Italy (Joseon • Xmas • Santorini) • Militia • Office • Siege

CZ	Downed

CSO	Camouflage • Camouflage 2

CS	Airstrip • Aztec • Cobble • Chateau • Dust (CSO Land) • Dust2 • Inferno • Nuke • Piranesi • Prodigy • Storm • Survivor • Torn • Train • Vegas • Vertigo (Halloween)

CZ	Corruption • Fastline • Sienna • Stadium • Tides • Truth • Vostok

CSO	Dazzling • Rex • Toscana • Santorini • Sanctuary • Snow Base • Mirage • Skyscraper (Xmas) • Alcatraz • Market • Coastal Palace • Columns

Normal	Dust2A • AE • Gallery • Industry • Industry2 • Port • Suzhou • Tunnel • Kart • Rats • Dark Snow • Warehouse • Town Hall • Storage • Cargo Ship • Castle Land • Hacienda • Breeze • Extension • Freeze • Pipeline • Mountain Base • Oilrig 2 • Bunker

AWP	Greesia • Ruin

Knife	Champion • Moonlight

Shotgun	Train Shed

Bunny Yard • Parking

Normal	Abyss • Abyss2 (Halloween) • Abyss3 • Requiem • Rest • Origin • Forbidden • Falls • Alcatraz-Z • Joseon Village • Harbor • Nostalgia

Union	Union

Bot Zombie	Big Tree • Metro • Farero • Dust EX • Italy EX • Assault EX

Darkness	Dark City • Shoreline

Last Stand	Cantera • Desktop

Rise	Junk House

Zombie Scenario

S1	Lost City • Double Gate • Trap • Last Clue • Chaos • Dead End

S2	Toxicity • Culvert • Decoy • Angra Nest

S3	Contact • Behind • Threat • Panic Room

S4	Encounter • Conspiracy • Envy Mask • Paranoia

S5	Omen • Memories • Another Truth • Last Ride

S6	Episode Choi • Episode Victor • Episode Lucia • Episode Carlito

S7	All-Out • Rendezvous • Rex Labs • Lowdown

S8	Upcoming Threat • Neon City • Abandoned Hound • Overflow

S9	Obstacle • Secret Plan • Chaser

Side Story	Nightmare • Poisoning • Illusion • Madness • Oblivion • Forest Keeper • Electron • Void Zone • Isolation • Cordon • Convoy

Cut	Cube • Collapse

Desert Storm • Hellfire • Mosque • Blaze • Sidewinder

Hidden	Harlem

Bazooka Battle	Blackout

Soccer	Striker • Cage

Challenge	Jump1 • Jump2 • Run1 • Run2

Item Battle	Checkmate • Dust2A

Metal Arena	Metal Gate • Quasar

Battle Rush	Urban Assault

Beast	Cold Fear • Port • Requiem

Fight Yard	Ice World • Gallery

Sudden Death	Mobius

Zombie Tag	Greesia • Out City

Dust Zero • Angel City

City of Damned (New) • Desert Plant • Hell Ride

Blood Castle • Skyline • Venice • Hitchhiking • Rising • Rhyzome

City of Damned (Old)

Forsaken • Splash

First Report • Second Report • Third Report

Zombie Touchdown

Last Shelter • Checkmate

Zombie Conquest

Hacienda • Sky Garden