In this context, the .rar file signifies a "Scene Release." When an official update like v1.0.0.2 is pushed to Steam, groups like CODEX package those files into a standalone installer. This serves several purposes within that community:
Allowing players to finally select specific display resolutions rather than relying on automatic scaling. Ninja.Gaiden.Sigma.2.Update.v1.0.0.2-CODEX.rar
Modifying the code to allow characters like Ayane and Rachel to be played in more than just specific missions. Conclusion In this context, the