Ninja.Gaiden.Sigma.Update.v1.0.0.2-CODEX.rar appears to be a compressed archive naming an update/patch file for the PC release of Ninja Gaiden Sigma (or Ninja Gaiden Sigma 2), distributed by a release group identified as CODEX. The filename suggests it contains game update files packaged by that group, likely intended to modify or replace executable/game data to apply version 1.0.0.2.
Addressed specific crashing issues and graphical glitches present at the collection's launch. Typical "Post" Structure (for reference) Ninja.Gaiden.Sigma.Update.v1.0.0.2-CODEX.rar
Better support for various monitor refresh rates and aspect ratios. Installation Instructions Ninja.Gaiden.Sigma.Update.v1.0.0.2-CODEX.rar