Spark IV for GTA IV

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SparkIV 0.7.0 B1 Public Beta by Aru


SparkIV is a archive viewer/editor for IMG/RPF archive files used

This program is a public beta, so it may not function as expected.

Please ensure you make backups of all files you edit before you save.

– Microsoft .NET Framework 3.5
If you can’t run SparkIV or if you are getting an error, download and install:

– Version 1.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.4r2,, of GTAIV.exe
– Version 1.1.0, 1.1.1 or 1.1.2 of EFLC.exe
Source Code

Full source code for SparkIV is available at:

A very special thanks to (in no specific order):

DerPlaya78, Mike (mikechml), listener, REspawn, Seeman, steve-m

who have been invaluable in the research of some of game code/file formats
which made this program possible.

This program is provided “as-is” without any implied warranty or support.
Use of modified files during online play may result in being banned.
Use at your own risk!

This program uses cryptographic keys from GTAIV.exe to perform decryption
of encrypted archive files. This key is not included with this application
to ensure compliance with DMCA/EUCD laws. You will need a legal copy of
GTAIV.exe for the program to run.

Spark IV patcher for GTA IV
Spark IV patcher for GTA IV
Version: 0.7
409.2 KB
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