I Have No Mouth, and I Must Scream

Key points

Can be run under ScummVM

German and French version has one important part of the game removed, thus rendering the game unbeatable.

General information

Availability[edit]

Source	DRM	Notes	Keys	OS
Retail
GOG.com		Comes pre-configured with ScummVM.^[3]
Green Man Gaming
Steam		Comes pre-configured with ScummVM.^[4]

Game data[edit]

Configuration file(s) location[edit]

System	Location
DOS
Windows	<path-to-game>\SCREAM\^{[Note 1]}
Mac OS (Classic)
macOS (OS X)
Linux

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
Windows	<path-to-game>\SCREAM\Scream.sav^{[Note 1]}
Mac OS (Classic)
macOS (OS X)
Linux

Save game cloud syncing[edit]

System	Native	Notes
GOG Galaxy
Steam Cloud

Video settings[edit]

In-game options menu.

Graphics option	Option	Notes
Widescreen resolution
Multi-monitor
Ultra-widescreen
4K Ultra HD
Field of view (FOV)
Windowed		Toggle with `Alt`+`↵ Enter` (when using DOSBox or ScummVM).
Borderless fullscreen windowed
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

Input settings[edit]

Keyboard and mouse	Native	Notes
Remapping		For DOSBox use the DOSBox Mapper (see the glossary page for other workarounds).
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller
Controller support		For DOSBox use the DOSBox Mapper (see the glossary page for other workarounds).

Audio settings[edit]

Audio options	Native	Notes
Separate volume controls
Surround sound
Subtitles
Closed captions
Mute on focus lost

Localizations

Language	UI	Audio	Sub	Notes
English
French
German
Italian
Spanish
Russian				Fan translation, download

Other information[edit]

API[edit]

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

System requirements[edit]

DOS
	Minimum	Recommended
Operating system (OS)	4.0	6.22
Processor (CPU)	Intel 486 33 MHz	Intel 486DX2 66 MHz
System memory (RAM)	8 MB
Hard disk drive (HDD)	15 MB	115 MB
Video card (GPU)	SVGA

Windows
	Minimum	Recommended
Operating system (OS)	XP	Vista, 7, 8, 8.1
Processor (CPU)	1.8 GHz
System memory (RAM)	512 MB	1 GB
Hard disk drive (HDD)	2 GB
Video card (GPU)	DirectX 9.0c compatible

macOS (OS X)
	Minimum
Operating system (OS)	10.7
Processor (CPU)	Intel Core 2 Duo 2.0 GHz
System memory (RAM)	1 GB
Hard disk drive (HDD)	1 GB
Video card (GPU)	256 MB of VRAM

Linux
	Minimum	Recommended
Operating system (OS)	Ubuntu 14.04 LTS
Processor (CPU)	1.8 GHz
System memory (RAM)	512 MB	1 GB
Hard disk drive (HDD)	2 GB

Notes

↑ ^1.0 ^1.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).

References

[gamedir-5] 1.0 ^1.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).

[1] Release: I Have No Mouth and I Must Scream - GOG.com

[release_date-2] 2.0 ^2.1 News - Now Available - I Have No Mouth, and I Must Scream

[3] - Forum - GOG.com

[4] I Have No Mouth, and I Must Scream · AppID: 245390 · Steam Database

[1]

[2]

[3]

[4]

[Note 1]

Developers

	The Dreamers Guild
Publishers
Original	Cyberdreams
Current	Night Dive Studios
Engines
Original	S.A.G.A.
Re-release	ScummVM
Release dates
DOS	October 31, 1995^{[citation needed]}
Mac OS (Classic)	October 31, 1995^{[citation needed]}
Windows	September 5, 2013^[1]
macOS (OS X)	October 17, 2013^[2]
Linux	October 17, 2013^[2]