This page is for the 1997 first-person shooter. For the unrelated 2018 adventure-platformer, see Chasm.
Key points
- Also known as Chasm: The Shadow Zone.[1]
Availability
Source |
DRM |
Notes |
Keys |
OS |
Retail |
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- A demo is available.
Essential improvements
Patches
Patch csmtcpip.exe is the latest version. Place file in the installation folder and run via DOSBox. This patch includes the bonus levels.
- An open-source reconstruction of the original game engine for modern operating systems.
- Supports high resolutions, widescreen, OpenGL rendering, texture filtering, networking and both true and fake perspective modes.
- Appears to no longer be in development, as the last version was released on December 3, 2017.
Game data
Configuration file(s) location
Save game data location
Video
Input
Audio
Audio feature |
State |
Notes |
Separate volume controls |
|
FX Volume (for sound effects and voices) and CD Volume (for music). |
Surround sound |
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Subtitles |
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Closed captions |
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Mute on focus lost |
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For DOSBox change the priority background value in the DOSBox configuration file. |
Localizations
Language |
UI |
Audio |
Sub |
Notes |
English |
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Issues fixed
Technical Issues
- This game must be run under DOSBox. Being a demanding 3D game in software mode only, even modern computers have trouble running the game at acceptable frame rates. DOSBox Staging offers significantly better performace.
- Mouse movement may stop working on occasion. Save and restart the game to fix. (Fixed in Chasm Portable 2.0)
Player Spins in Place (Chasm Portable)
Disable Joystick
|
- Go to
<path-to-game>\Chasm\DBox .
- Open
chasmdos.conf and find [joystick] .
- Change
joysticktype=auto to joysticktype=none .
- Save and close
chasmdos.conf .
Notes
- If that doesn't fix the issue, you can additionally change
timed=true to timed=false .
|
Bad Performance
Performance Fix[citation needed]
|
- Patch the game to the latest version (csmtcpip.exe).
- Download this fixed .exe file
- Replace the PS10.exe in the installation folder with the fixed version
Notes
- Without this fix the game crashes if DOSBox is set to Dynamic CPU mode. This patch fixes that issue, allowing the game to run with smoother frame rates, even at higher resolutions.
- Inlcuded in Chasm Portable.
|
Music does not loop (DOSBox)
Other information
API
Technical specs |
Supported |
Notes |
DOS video modes |
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System requirements
DOS |
|
Minimum |
Recommended |
Operating system (OS) |
MS-DOS 4.0 | |
Processor (CPU) |
486 DX2-66 MHz
| Pentium |
System memory (RAM) |
8 MB |
16 MB under Win95 |
Hard disk drive (HDD) |
12 MB | |
Video card (GPU) |
| PCI video recommended |
References