Bio Menace

From PCGamingWiki, the wiki about fixing PC games
Bio Menace
Bio Menace cover
Apogee Software
Release dates
DOS August 3, 1993[1]
Windows October 23, 2014[2]
macOS (OS X) May 5, 2015[3]
Linux December 21, 2015[4]
Bio Menace at Wikipedia

Key points

Re-released as freeware on December 23, 2005.[5]

General information Community Discussions Support Page
Steam Community Discussions
3D Realms page


Source DRM Notes Keys OS
DRM details are not known
Official website
macOS (OS X)

Essential improvements[edit]

Run in DOSBox[edit]

To run correctly in DOSBox, set cycles=max and timed=false. Leave all other DOSBox settings at their defaults.[6]

The freeware version includes a DOSBox patch; newer versions of DOSBox don't need this and it can cause problems.

Game data[edit]

Configuration file(s) location[edit]

System Location
DOS <path-to-game>\CONFIG.BM*
Windows <path-to-game>\CONFIG.BM*
macOS (OS X)
Linux (Proton) <Steam-folder>/steamapps/compatdata/358180/pfx/[Note 1]
The extension matches the episode number.
It's unknown whether this game follows the XDG Base Directory Specification on Linux. Please fill in this information.

Save game data location[edit]

System Location
DOS <path-to-game>\SAVEGAM*.BM*
Windows <path-to-game>\SAVEGAM*.BM*
macOS (OS X)
Linux (Proton) <Steam-folder>/steamapps/compatdata/358180/pfx/[Note 1]
Save games are SAVEGAM0.BM1 to SAVEGAM5.BM1; the extension matches the episode number.

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud

Video settings[edit]

Options menu.
Options menu.

Input settings[edit]

Key mapping.
Key mapping.

Audio settings[edit]

Audio settings.
Audio settings.
Audio options Native Notes
Separate volume controls
Music can only be toggled; two volume levels for Sound Effects.
Surround sound
Everything is text-based.
Closed captions
Mute on focus lost


Language UI Audio Sub Notes

Issues fixed[edit]

Cursor/character moves constantly[edit]

Ensure you have set the DOSBox joystick timing correctly (see Run in DOSBox).

Other information[edit]


Technical specs Supported Notes
DOS video modes EGA
64-bit executable

System requirements[edit]

Minimum Recommended
Operating system (OS) 3.3 6
Processor (CPU) 286 386 or higher
System memory (RAM) 575k of conventional memory
Hard disk drive (HDD) 10 MB
Video card (GPU) EGA VGA


  1. 1.0 1.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/358180/ in addition to or instead of this directory. The app ID (358180) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.