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Half-Life 2: Lost Coast

From PCGamingWiki, the wiki about fixing PC games
Half-Life 2: Lost Coast
Half-Life 2: Lost Coast cover
Valve Corporation
Original Source 2006[citation needed]
Current Source 2013 Singleplayer
Release dates
Windows October 27, 2005[1]
macOS (OS X) May 9, 2013
Linux May 9, 2013
Modes Singleplayer
Pacing Real-time
Perspectives First-person
Controls Direct control
Genres Shooter
Art styles Realistic
Themes Eastern Europe, Post-apocalyptic, Sci-fi
Series Half-Life
Half-Life 2: Lost Coast on HowLongToBeat
Half-Life 2: Lost Coast on IGDB
Half-Life 2: Lost Coast on MobyGames
Half-Life 2: Lost Coast on Wikipedia
Half-Life mods and fangames (series)
Half-Life 1998
Half-Life: Opposing Force 1999
Half-Life: Blue Shift 2001
Codename: Gordon 2004
Half-Life: Source 2004
Half-Life 2 2004
Half-Life 2: Deathmatch 2004
Half-Life 2: Lost Coast 2005
Half-Life Deathmatch: Source 2006
Half-Life 2: Episode One 2006
Half-Life 2: Episode Two 2007
Portal (series)
Half-Life: Decay (unofficial port) 2008
Half-Life: Alyx 2020


The macOS (OS X) version of this game does not work on macOS Catalina (version 10.15) or later due to the removal of support for 32-bit-only apps.

Half-Life 2: Lost Coast is a singleplayer first-person shooter game in the Half-Life series.

The game serves as a tech demo for Source's HDR Rendering implementation. In addition to being their first title to include developer commentary feature.

General information

GitHub Issue Tracker for Half-Life 2: Lost Coast and other Source-based games
Steam Community Discussions


Source DRM Notes Keys OS
DRM-free after installation through Steam client (notes may include more details)
Sold in bundles only.
DRM-free when launched directly from the executable with -game lostcoast command line argument.[citation needed]
macOS (OS X)
All versions require Steam DRM.

Essential improvements

Skip intro videos

Use -novid command line argument[2]

Game data

Configuration file(s) location

System Location
Steam <Steam-folder>/SteamApps/common/Half-Life 2/lostcoast/cfg/
This game does not follow the XDG Base Directory Specification on Linux.

Save game data location

System Location
Steam <Steam-folder>/SteamApps/common/Half-Life 2/lostcoast/save/

Save game cloud syncing

System Native Notes
Steam Cloud
Syncs save games and settings


General video settings
General video settings
Advanced video settings
Advanced video settings

Graphics feature State Notes
Widescreen resolution
4K Ultra HD
Interface scales poorly.
Field of view (FOV)
75-110° (max 120° via fov_desired command) FOV. See Field of view (FOV).
Borderless fullscreen windowed
For newer versions: Set to Run in a window (No Border), otherwise, see Borderless fullscreen windowed.
Anisotropic filtering (AF)
Up to 16 samples.
Anti-aliasing (AA)
Up to 8x MSAA. SGSSAA available with flag 0x000000C1.
Vertical sync (Vsync)
Double buffered [3]
60 FPS and 120+ FPS
Frame rate cap can be changed by changing fps_max in the developer console. To uncap FPS or cap FPS higher than 300 you must first set sv_cheats = 1 before using fps_max. sv_cheats = 1 will also disable achievements.[4] (However, Lost Coast has no achievements.)
High dynamic range display (HDR)
Rendered image uses SDR color space. In-game HDR option refers only to HDR Rendering.
HBAO available with flag 0x0000002C.

Field of view (FOV)

Borderless fullscreen windowed

Newer version of HL2 Lost Coast included the option as Run in a window (No Border), if you are running older versions, follow these steps:
-window -noborder[5]
  1. Find Half-Life 2: Lost Coast in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -window -noborder
  6. Press OK
  7. Launch the game


Key map settings
Key map settings
Mouse/gamepad settings
Mouse/gamepad settings

Keyboard and mouse State Notes
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller support
Full controller support
Native since 2022 update, use -gamepadui Command line argument to enable Gamepad UI. By default, this will also enable Vulkan, which can cause the game to crash on incompatible hardware.
If you want to enable the Gamepad UI on systems with GPUs that does not support Vulkan, use -dx9 alongside -gamepadui in order to force the game to launch with DX9 mode instead of Vulkan, while having Gamepad UI enabled.[6]
Controller remapping
Controller sensitivity
Controller Y-axis inversion
Controller types
XInput-compatible controllers
Xbox button prompts
Supported via Steam Input API.
Impulse Trigger vibration
PlayStation controllers
PlayStation button prompts
Supported via Steam Input API.
Light bar support
Adaptive trigger support
DualSense haptic feedback support
Connection modes Wired, Wireless (Bluetooth), Wireless (Bluetooth)
Tracked motion controllers
Generic/other controllers
Both Nintendo Switch Pro Controller and Generic Gamepads are supported via Steam Input API
Button prompts
Nintendo Switch Pro Controller button prompts are supported via Steam Input API
Additional information
Button prompts
The new Controller-centric UI will automatically change the button prompts based of the controller you have connected (through Steam Input API).
Controller hotplugging
Haptic feedback
Supported via Steam Input API.

If using the old version or Legacy XInput mode: you can bring back Controller rumble by download an updated version of the SDL2 runtime binary (choose Runtime Binaries x86) and replace it with the one in <path-to-game>\bin.[8] This works for any Source engine based game.
Digital movement supported
Simultaneous controller+KB/M
Steam Input
Steam Input API support
Official controller preset(s)
PlayStation, Xbox, Nintendo Switch, Steam Controller & Steam Deck (under Standard and Motion Controls presets)
Steam Controller button prompts
Uses Steam Input API's built-in Button Icons


Audio settings
Audio settings

Audio feature State Notes
Separate volume controls
Over-all game volume and separate music slider.
Surround sound
7.1, 5.1 surround sound, 4 speaker surround. 7.1 output may require DirectSound3D restoration software.
Closed captions
Mute on focus lost
"Silence the audio while the game window is in the background" check box.
EAX support
Set snd_legacy_surround 1 in console, 4 speakers in options, and use DSOAL for binaural HRTF mixing.
Royalty free audio


Language UI Audio Sub Notes
Fan translation, Steam Workshop. In testing stage.
Simplified Chinese
Traditional Chinese
Fan translation - dubbing #1
Brazilian Portuguese
Fan translation - #1


Multiplayer types

Type Native Players Notes
LAN play
Online play
10 Use Synergy.

Connection types

VR support

3D modes State Notes
Native 3D
Nvidia 3D Vision
TriDef 3D
This game might be playable with the Revive Compatibility Layer (compatibility list).
Oculus VR (LibOVR)
Available under Video Settings. See Oculus Rift for more information.
Windows Mixed Reality
This game might be playable with the Revive Compatibility Layer.
Tracked motion controllers
Traditional controller
See Input for details.

Oculus Rift

By default VR mode will run full screen, to switch back to a borderless windowed set the vr_force_windowed convar.

Issues fixed

Purple and black broken textures

A generic fix for this issue can be found on our Source engine page.

Other information


Technical specs Supported Notes
Direct3D 9, 9Ex
OpenGL 2.1 OS X and Linux only.
Use -vulkan command line argument.
Shader Model support 1.x, 2, 3
Executable 32-bit 64-bit Notes
64-bit version is no longer available[9]
macOS (OS X)
[citation needed]
[citation needed]


Middleware Notes
Physics Havok Heavily modified variant.
Audio Miles Sound System
Input SDL
Cutscenes Bink Video Used for startup videos and in-game movies.

Console commands

Games running on the Source engine can utilize Source Engine Console Commands for various tasks.
Enabling the console in Source games[citation needed]
  1. Launch the game
  2. From the main menu select Options
  3. Select the Keyboard tab
  4. Click the Advanced button
  5. Check the box next to Enable developer console (~)
  6. Click Apply


Press ~ to open the console.
Some commands may first require you enabling sv_cheats. You can do so with sv_cheats 1.
Users without a US keyboard could experience some problems.

Launch options

View this Steam Support Article regarding launch options as well as the relevant Valve Developer wiki page for further information and a list of useful Source engine launch options.
Enabling a launch parameter[citation needed]
  1. Find the game in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input your selected launch options and separate each command with a space
  6. Press OK
  7. Launch the game

System requirements

Operating system (OS) XP
Processor (CPU) Intel Pentium 4 2.4 GHz
AMD Athlon XP 2800+
System memory (RAM) 1 GB
Hard disk drive (HDD)
Video card (GPU) DirectX 9 compatible
Must be run without Steam to play on XP and Vista.


  1. News - Half-Life 2: Lost Coast Available Now - last accessed on 2023-09-18
  2. Command Line Options - Valve Developer Wiki - last accessed on 16 March 2024
  3. Black mesa vsync is double buffered - last accessed on 2024
  4. New 120Hz Games Report - last accessed on May 2023
  5. Command Line Options - Valve Developer Wiki - last accessed on 17 May 2023
  6. Verified by User:Kr0tchet on 2024-01-27
  7. Verified by User:Al2009man on 2022-05-05
    Tested on DualShock 4 V2 and DualSense Controller while Steam Input is forcefully disabled.

    As of this writing: Left/Right Joystick does not work if Steam Input (under Legacy mode) is enabled.
  8. Verified by User:Al2009man on 2022-05-05
    Seems like this method no longer works on Steam Deck branch.
  9. 64-bit Half-Life 2 released - - last accessed on 2020-08-27