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Apps / UnCSO2

UnCSO2

Extract Counter-Strike: Online 2 and Titanfall Online game files

Harmony ✓ Verified

tf.harmony.UnCSO2
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A file data extractor for the video games Counter Strike: Online 2 and Titanfall Online.

Aside from extracting files from Counter-Strike: Online 2's and Titanfall Online's proprietary archive format, PKG, UnCSO2 can:

  • Explore and extract from individual PKG archives
  • Explore and extract from entire game's filesystem (loads every PKG archive in their PKG index)
  • Preview and/or extract individual file entries
  • Decrypt Counter-Strike: Online 2 files with an .e* prepended in their extension
  • Decompress Counter-Strike: Online 2 texture files

UnCSO2 supports every Counter-Strike: Online 2 region's game data. Those regions are: South Korea, China, Taiwan and Japan.

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Screenshots

Main app window, with Titanfall Online data index opened
Main app window, with Titanfall Online data index opened
Opening game data by providing the path to a directory of .pkg files
Opening game data by providing the path to a directory of .pkg files
Index properties window, with information about the currently opened .pkg file
Index properties window, with information about the currently opened .pkg file
About window
About window

Observed history

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No observed changes yet.

The initial import establishes a baseline. Future version changes will appear here.

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Upstream releases

Release notes supplied by the developer. These dates are not Flathub package publication times.

2.1.19 Nov 2025

Now also packaged as Flatpak! Changes:

  • support saving last index dir path
  • fixed recent file list and made it also list directories
  • fixed broken style of error banner (it had unreadable text)
  • fixed blurry window icon on Linux
  • support for Flatpak build on Linux (with fixes around its filesystem sandboxing)
  • minor stylistic corrections here and there
  • add MIME types to allow opening .pkg files or their folders in the app
  • update to Qt 6.10 framework
2.1.09 Jan 2025

New Harmony release!

  • fixed Titanfall Online support (notably no longer has problems with the infamous big shader file)
  • upgraded to Qt 6
  • fixed Linux AppImage