King's Quest IV: The Perils of Rosella

From PCGamingWiki, the wiki about fixing PC games
King's Quest IV: The Perils of Rosella
King's Quest IV: The Perils of Rosella cover
Developers
Sierra On-Line
Engines
AGI
SCI0
Release dates
DOS September 1988
Windows (ScummVM) February 25, 2010[1]
King's Quest IV: The Perils of Rosella guide at StrategyWiki
King's Quest IV: The Perils of Rosella at Wikipedia
King's Quest
King's Quest: Quest for the Crown‎ 1984
King's Quest II: Romancing the Throne 1985
King's Quest III: To Heir Is Human 1986
King's Quest IV: The Perils of Rosella 1988
King's Quest V: Absence Makes the Heart Go Yonder! 1990
King's Quest VI: Heir Today, Gone Tomorrow 1992
King's Quest VII: The Princeless Bride 1994
King's Quest: Mask of Eternity 1998
The Silver Lining (unofficial) 2010
King's Quest (2015) 2015

Key points

The manual is required to pass the in-game copy protection (digital versions include it)
Most collections and re-releases include the SCI0 edition of the game
Both the AGI and SCI0 versions of the game can be run under ScummVM.

General information

Sierra Help Pages - King's Quest series
King's Quest Omnipedia - A huge wiki for the King's Quest series
GOG.com Community Discussions for game series
GOG.com Support Page
Steam Community Discussions for game series

Availability[edit]

Source DRM Notes Keys OS
Retail
Prompts for answers from manual, code wheel, etc.
DOS
GOG.com
DRM-free
Bundled with King's Quest V: Absence Makes the Heart Go Yonder! and King's Quest VI: Heir Today, Gone Tomorrow.
Pre-packaged with ScummVM
DOSBox version is also available (when using GOG Galaxy).[2]
Windows
Steam
Icon overlay.png
Comes bundled with all other King's Quest games (excluding King's Quest 8).
Windows

Version differences[edit]

Original releases[edit]

Versions 1.000.106 and 1.000.111 of the SCI0 release feature high-detail graphics, while versions 1.003.006 and later lack them for filesize reasons.[3]
The AGI version only supports single and three-channel PC Speaker audio, while the SCI0 version also supports AdLib and MT-32 audio.[4]
The AGI version has a resolution of 160x200, while the SCI0 version has a resolution of 200x320.[4]
The SCI0 version has color dithering support for increased image fidelity.[4]
The Amiga version of the game features exclusive environmental and incidental sound effects.[3]

Digital releases[edit]

The King's Quest Collection, the collection on Steam, is not properly configured for modern systems[5]

Essential improvements[edit]

Ultimate King's Quest 4 patch[edit]

Download patch here.

Combines the Amiga sound effects, SCI0 high-detail graphics, MT-32 audio (emulated using the Munt MT-32 emulator), and other features from the various releases into a single version run through DOSBox.
Requires the PC SCI0 version and ROM files from an authentic MT-32.
Links is no longer active and available.

Game data[edit]

Configuration file(s) location[edit]

System Location
DOS
Windows <path-to-game>\[Note 1]
Linux (Proton) <Steam-folder>/steamapps/compatdata/10100/pfx/[Note 2]

Save game data location[edit]

System Location
DOS
Windows <path-to-game>\KQ4SG.***[Note 1]
Linux (Proton) <Steam-folder>/steamapps/compatdata/10100/pfx/[Note 2]
These are the default paths used by the game. The save file location can be determined by the user
For the GOG.com re-release, the C:\ drive is mapped to <path-to-game>

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud

Video settings[edit]

Graphics settings (GOG.com version)
Graphics settings (GOG.com version)

Input settings[edit]

Audio settings[edit]

Audio feature State Notes
Separate volume controls
Surround sound
Subtitles
All speech is text-based.
Closed captions
Mute on focus lost

Localizations

Language UI Audio Sub Notes
English

Other information[edit]

API[edit]

Technical specs Supported Notes
DOS video modes CGA, CGA Composite, EGA, Hercules, MCGA, Tandy, PCjr, VGA CGA Composite is only available using the AGI version.
64-bit executable
Requires a 64-bit build of ScummVM.

System requirements[edit]

DOS
Minimum
Operating system (OS) 5.0
Processor (CPU) Intel 286
System memory (RAM) 512 KB
Hard disk drive (HDD) 4 MB
Video card (GPU) CGA, EGA, Hercules, MCGA, Tandy 16-color, PCjr 16-color, VGA
Windows
Minimum Recommended
Operating system (OS) XP, Vista
Processor (CPU) 1.0 GHz
System memory (RAM) 256 MB
Hard disk drive (HDD) 300 MB
Video card (GPU) DirectX 7 compatible

Notes

  1. 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).
  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>/10100/ in addition to or instead of this directory. The app ID (10100) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.

References