Half-Life 2: Lost Coast

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App ID	340
App Type	Tool
Developer	Valve
Publisher	Valve
Franchise	Half-Life
Supported Systems	Windows macOS Linux
Technologies	Source Engine
Last Changenumber	28969249
Last Record Update	13 May 2025 – 22:20:27 UTC ()
Release Date	27 October 2005 – 07:00:00 UTC ()

😎 87.04%

13k reviews

In-App

Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine.

Additional Information

Developer

Valve

gamedir

lostcoast

metacritic_name

Half-Life 2: Lost Coast

icon

steam/games/icon_lostcoast

icon2

steam/games/icon_lostcoast_dull

NoServers

Yes

primarycache

341

dependantOnApp

Half-Life 2 (220)

state

eStateJustReleased

developer_url

http://www.valvesoftware.com

sourcegame

Yes

Supports64bit

video

http://www.steampowered.com/

Publisher

Valve

no_revenue_accumulation

Yes

Store Release Date

27 October 2005 – 07:00:00 UTC ()

osarch

empty string

Primary Genre

Action (1)

Store Genres

Action (1)

Steam Release Date

27 October 2005 – 07:00:00 UTC ()

Store Asset Modification Time

23 April 2025 – 00:35:46 UTC () (1745368546)

library_assets

library_capsule	en
library_hero	en
library_logo	en
logo_position ↴
pinned_position	BottomLeft
width_pct	45
height_pct	31

osextended

empty string

review_score

review_percentage

Detected Technologies (?)

Source Engine, Autodesk_FBX SDK, Bink_Video SDK, CEF SDK, Miles_Sound_System SDK, SDL SDK

Steam Deck Compatibility

Steam Deck:
All functionality is accessible when using the default controller configuration
This game shows Steam Deck controller icons
In-game interface text is legible on Steam Deck
This game's default graphics configuration performs well on Steam Deck
SteamOS:
This game runs successfully on SteamOS
category: Verified
steamos_compatibility: Compatible
test_timestamp: 26 February 2022 – 00:00:00 UTC
tested_build_id: 8270650

configuration:

supported_input	gamepad
requires_manual_keyboard_invoke	0
requires_non_controller_launcher_nav	0
primary_player_is_controller_slot_0	0
non_deck_display_glyphs	0
small_text	0
requires_internet_for_setup	0
requires_internet_for_singleplayer	0
recommended_runtime	native
requires_h264	0
requires_voice_files	0
gamescope_frame_limiter_not_supported	0
hdr_support	0

deckresolutionoverride

Native

First seen on SteamDB

20 March 2013 – 07:42:04 UTC (), in changelist #196163

Supported Languages

9 Languages	Interface	Full Audio	Subtitles
English	Yes
French	Yes
German	Yes
Italian	Yes
Spanish - Spain	Yes
Russian	Yes
Simplified Chinese	Yes
Traditional Chinese	Yes
Korean	Yes

Accessibility Categories

Subtitle Options

Camera Comfort

Custom Volume Controls

Stereo Sound

Surround Sound

Playable without Timed Input

Adjustable Difficulty

Save Anytime

Assets

Load all asset images

clienticon

dddaffd2724873ff767b211b26f17c822c3eea30

clienttga

f1f5ca656a5257166ea447a7beef62736f4dec3e

icon

795e85364189511f4990861b578084deef086cb1

logo

867cce5c4f37d5ed4aeffb57c60e220ddffe4134

logo_small

48de6a193965c2f25f6fd109156dcdd028454392

clienticns

18380bfdc004844c918de769de298bac5c21ca33

LinuxClientIcon

4a75609ae32a548e85ec58ced4b17ae38f1547ea

small_capsule

english

capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	library_600x900.jpg
image2x/english	library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
logo_position/pinned_position	BottomLeft
logo_position/width_pct	45
logo_position/height_pct	31
image/english	logo.png

Assets

small_capsule	capsule_231x87.jpg
header	header.jpg
library_capsule	library_600x900.jpg
library_capsule_2x	library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	795e85364189511f4990861b578084deef086cb1.jpg
page_background_path	app/340
timestamp	23 April 2025 – 00:35:47 UTC

Depots

ID	Configuration	Size	DL.
221	Shared InstallDepot from 220Half-Life 2 Base	No size
222	Windows Shared InstallDepot from 220Half-Life 2 Windows client	No size
223	macOS Shared InstallDepot from 220Half-Life 2 OSX client	No size
224	Linux Shared InstallDepot from 220Half-Life 2 Linux client	No size
225	Shared InstallDepot from 220RussianHalf-Life 2 Russian	No size
226	Shared InstallDepot from 220Spanish - SpainHalf-Life 2 Spanish	No size
227	Shared InstallDepot from 220FrenchHalf-Life 2 French	No size
228	Shared InstallDepot from 220GermanHalf-Life 2 German	No size
229	Shared InstallDepot from 220KoreanHalf-Life 2 Korean	No size
230	Shared InstallDepot from 220Traditional ChineseHalf-Life 2 TChinese	No size
231	Shared InstallDepot from 220Simplified ChineseHalf-Life 2 SChinese	No size
232	Shared InstallDepot from 220ItalianHalf-Life 2 Italian	No size
340	Half-Life 2 Episode 1	407.34 MiB	205.31 MiB
341	FrenchHalf-Life 2 Episode 1 French	29.97 MiB	24.31 MiB
342	GermanHalf-Life 2 Episode 1 German	29.96 MiB	24.62 MiB
343	RussianHalf-Life 2 Episode 1 Russian	29.97 MiB	23.03 MiB
344	Spanish - SpainHalf-Life 2 Episode 1 Spanish	29.97 MiB	25.01 MiB
345	ItalianHalf-Life 2 Episode 1 Italian	29.97 MiB	24.45 MiB
346	KoreanHalf-Life 2 Episode 1 Korean	30.00 MiB	25.07 MiB
347	Simplified ChineseHalf-Life 2 Episode 1 SChinese	29.95 MiB	21.75 MiB
348	Traditional ChineseHalf-Life 2 Episode 1 TChinese	29.98 MiB	25.63 MiB

Total size on disk is 647.11 MiB and total download size is 399.18 MiB.

Total size on disk is 407.34 MiB and total download size is 205.31 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		16425450	15 November 2024 – 22:01:38 UTC
beta	Beta updates	12694564	17 November 2023 – 02:47:10 UTC
previous	The previous public build	285412	26 September 2019 – 21:49:03 UTC
steam_legacy	Pre-20th Anniversary Build	12694564	15 November 2024 – 22:01:07 UTC

Other

Name	Value
overridescddb	1
markdlcdepots	1