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Alien Carnage

From PCGamingWiki, the wiki about fixing PC games
Alien Carnage
Alien Carnage cover
Interactive Binary Illusions
SubZero Software
Apogee Software
Release dates
DOS October 10, 1993
Windows (DOSBox) October 23, 2014[1]
macOS (OS X) (DOSBox) May 5, 2015[2]
Linux (DOSBox) December 11, 2023[3]
Monetization Freeware
Modes Singleplayer
Pacing Real-time
Perspectives Side view, Scrolling
Controls Direct control
Genres Platform
Series Alien Carnage
Alien Carnage on HowLongToBeat
Alien Carnage on IGDB
Alien Carnage on MobyGames
Alien Carnage on Wikipedia
Alien Carnage
Alien Carnage 1993
Zombie Wars 1996

Alien Carnage is a singleplayer side view and scrolling platform game in the Alien Carnage series.

Re-released as freeware on May 24, 2007.[4]

General information

Originally released as Halloween Harry.[4]
Steam Community Discussions


Source DRM Notes Keys OS
Developer website
ZOOM Platform
Pre-packaged with DOSBox-staging.
macOS (OS X)
Steam (unavailable)
Icon overlay.png
Pre-packaged with DOSBox.
macOS (OS X)
Developer website (unavailable)
Includes fixes not present in retail versions. Pre-packaged with DOSBox.

Essential improvements

Run in DOSBox

To run correctly in DOSBox, set cycles=max and timed=false. Leave all other DOSBox settings at their defaults.[5]

Game data

Configuration file(s) location

System Location
DOS <path-to-game>\HARRY.CFG
Windows <path-to-game> (mounted in DOSBox)[Note 1]
macOS (OS X) <path-to-game> (mounted in DOSBox)[Note 1]
Linux <path-to-game> (mounted in DOSBox)[Note 1]
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/358280/pfx/[Note 2]

Save game data location

System Location
DOS <path-to-game>\SLOT.*
Windows <path-to-game> (mounted in DOSBox)[Note 1]
macOS (OS X) <path-to-game> (mounted in DOSBox)[Note 1]
Linux <path-to-game> (mounted in DOSBox)[Note 1]
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/358280/pfx/[Note 2]
High scores are stored in <path-to-game>\HARRY.TOP.

Save game cloud syncing

System Native Notes
Steam Cloud


General settings.
General settings.

Graphics feature State Notes
Widescreen resolution
320x200 only.
4K Ultra HD
Field of view (FOV)
For DOSBox toggle with Alt+ Enter (see the glossary page for other workarounds).
Borderless fullscreen windowed
See the glossary page for potential workarounds.
Anisotropic filtering (AF)
Anti-aliasing (AA)
Vertical sync (Vsync)
For DOSBox use an unofficial build (see the glossary page for other workarounds).
60 FPS and 120+ FPS
48 fps frame rate cap.



Audio feature State Notes
Separate volume controls
On/off only.
Surround sound
Everything is text-based.
Closed captions
Mute on focus lost
For DOSBox change the priority background value in the DOSBox configuration file.
Royalty free audio
The original release (Halloween Harry) includes a jukebox, which can be run with <path-to-game>\STUDIO.EXE.


Language UI Audio Sub Notes

Issues unresolved

"Runtime error 203" level restart on death

Dying may cause this error and restart the level instead of returning to the last checkpoint.[5][6]

Other information


Technical specs Supported Notes
DOS video modes VGA 320x200

System requirements

Minimum Recommended
Operating system (OS) 3.3
Processor (CPU) 286
System memory (RAM) 640 KB
Hard disk drive (HDD) 10 MB
Video card (GPU) VGA


  1. 1.0 1.1 1.2 1.3 1.4 1.5 File/folder structure within the installation folder reflects the path(s) listed for DOS game data.
  2. 2.0 2.1 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>/358280/ in addition to or instead of this directory. The app ID (358280) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.