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About GCFScape

GCFScape is a small tool that can open and also extract from GCF documents that are used by Vapor for video game content storage space. It can be downloaded.

GCFScape 1.7.1 or better is called for to open VPK data. To browse the base web content of a game using VPK, you need to open the index documents pak_01_dir. vpk.


Pointer: When you mount GCFScape make certain you link GCF files with GCFScape so they'’ ll open immediately. The documents will certainly be offered symbols if this has been done.

When a GCF is opened, the program will appear like this:

Clicking the little button, you can search the folders clicking them so they broaden as well as show subfolders thus, after that clicking on a folder will reveal the materials to the right:

Right clicking a file will certainly raise a context menu from where you can extract from:

Clicking this will certainly raise a home window where you can select your conserve place:

Clicking OK will extract the file to your selected location.

Sustained Formats

Along with GCF files, GCFScape also sustains Half-Life BSP, NCF, PAK, VPK, WAD, and XZP data.Read here gsfscape At our site


The complying with alternatives are available inside the options menu in GCFScape:


Enable verbose logging (made it possible for by default). Disable this alternative to minimize log result. This can be helpful when you are extracting big quantities of files and also just wish to be educated of mistakes.

Submit Mapping

Enable Windows documents mapping (allowed by default). File mapping is an efficient approach of arbitrary file accessibility. Some running systems have troubles with file mapping (specifically Windows 98) and also may create mistakes; disable this option in such situations.

Quick Submit Mapping

Map the whole documents to memory (rather than items of it as required). Effectively caches the documents in memory. Can speed up things up if you have sufficient totally free memory. Some running systems have issues with documents mapping (particularly Windows 98) and might create mistakes; disable this alternative in such instances.

Unstable Accessibility

Enable unpredictable data access (made it possible for by default). By default, Heavy steam loads.gcf documents in read/write setting and also is liable to alter their contents any time (as updates occur). Need to this happen, GCFScape would become unstable as well as most likely collision. Unstable access enables you to open GCF data packed in Vapor at your very own threat. It is typically steady and also can confirm valuable for taking a look at which submits Vapor is updating.

Write Access

Enable compose data gain access to (handicapped by default). Write accessibility offers GCFScape the capability to change particular documents and also is not compatible with volatile gain access to for the instability a mix of the two would certainly create. This alternative is required for GCF defragmentation.


In variation 1.5.0, GCFScape added the ability to verify GCF data. This process calculates a collection of crossbreed CRC 32 as well as Adler-32 checksums for every data within a GCF documents and also contrasts each checksum to the checksums precalculated and also kept within the GCF documents. This attribute offers a fast alternative to Steam for inspecting GCF corruption as well as listing corrupt as well as insufficient documents, however can not repair damaged GCF data as Vapor can.

To confirm all or part of a GCF documents utilizing GCFScape, finish the complying with actions:

  1. Release GCFScape.
  2. From the Data menu, open your GCF file.
  3. Browse to the top level folder you wish to verify (root for the whole GCF data).
  4. Right click the folder as well as choose Validate.
  5. Repeat steps 2-4 for every GCF documents you want to confirm.


In variation 1.6.0, the ability to defragment GCF files was added to GCFScape. This feature was included after several tests by Nem indicated that Steam'’ s built in defragmenter did not constantly completely defragment a game'’ s GCF files. In fact, Steam would often wrongly report a fragmentation of 0% when truth fragmentation was as high or greater than 10%, a value exceptionally detrimental to efficiency.

GCFScape specifies the fragmentation proportion to be the variety of used collections that are out of order divided by the overall number of made use of clusters. The initial cluster in a file can never ever be out of order, so a file that includes just one collection (commonly < <8192 B) can never be fragmented. At 10% fragmentation, a regular ~ 785 MEGABYTES GCF file (roughly 100,000 collections at 8192 B per collection) would certainly call for, generally, one seek procedure for every single 80 KB of information review. You can watch the fragmentation of any kind of documents or folder (root for the entire GCF file) by inspecting its homes.

To defragment your GCF documents using GCFScape, finish the adhering to steps:

  1. Shutdown Steam.
  2. Release GCFScape.
  3. In the Options food selection, enable Write Accessibility as well as disable Volatile Gain access to.
  4. From the File food selection, open your GCF data.
  5. From the Tools menu, pick Defragment.
  6. Repeat steps 4-5 for each and every GCF documents you wish to defragment.

Keep in mind: The defragmentation procedure is rather sluggish, yet can be terminated as well as resumed at any time.

Running GCFScape

GCFScape requires. WEB 4.0 (or later on), and also Aesthetic C++ 2010 Runtime (x86 or x64) to run.

These demands apply to all operating systems, MacOS as well as Linux individuals will require to set up these in order to run GCFScape with A glass of wine.

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