Space Quest IV

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Space Quest IV:
Roger Wilco and the Time Rippers
First release 1991
Also known as Space Quest IV
Developed by Sierra
Published by Sierra
Distributed by Sierra
Platforms MS-DOS, Windows
Amiga, Macintosh
NEC PC-9801
Resolution 320x200, 256 and 16 colors
Engine SCI
Support Since ScummVM 1.2.0
Available for

Space Quest IV: Roger Wilco and the Time Rippers was the fourth game in the Space Quest series. The game follows Roger Wilco in adventure through time as he fights several attempts by Sludge Vohaul to end his life.


Required data files

For more information on how ScummVM uses game data files, see the user documentation.

WARNING: Unlike other games, SCI games have significant variation in the naming of required files.

They also can load supplementary files by resource maps, so it is recommended to keep all files in the game data directory from the CD.

Unless otherwise specified, do NOT remove any file from the directory, even if it does not appear on the following list, since this will likely cause weird bugs.

Copy all files to the game directory. Some games need additional work:

Floppy games with RESOURCE.p01, p02, etc. and/or RESOURCE.a01, a02, etc. files

  • Concatenate all RESOURCE.p0* files to RESOURCE.000 (e.g. copy /b RESOURCE.p0* RESOURCE.000 on Windows, or cat RESOURCE.p0* > RESOURCE.000 on *nix).
  • Concatenate all RESOURCE.a0* files to RESOURCE.AUD (e.g. copy /b RESOURCE.a0* RESOURCE.AUD on Windows, or cat RESOURCE.a0* > RESOURCE.AUD on *nix).

Simultaneous speech and subtitles

Certain CD versions of Sierra SCI games had both speech and text resources. In ScummVM, it is possible to enjoy a combined mode, where both speech and text are shown at the same time.

Speech and text can be toggled via the "Display Mode" button in the options dialog, or via ScummVM's audio options.

External links