Programs like TibEd or Red Alchemist do not load any custom INIs and instead load the one saved within their own files (the last patch's INIs), so modifying mods, even simple INI mods, is not possible.
The only special program required to get access to rules.ini is XCC Mixer use it to navigate to the file's location, extract it to somewhere where you have write permissions, then use Notepad, Notepad++ or your TXT editor of your choosing. YR: RA2md.mix > localmd.mix > rulesmd.ini (unlike previous games does not override/add to rules.ini and is very much its own thing).FS expansion: expand01.mix as firestrm.ini (loaded after rules.ini and overrides/adds to TibSun rules).TS: TibSun.mix > local.mix (patch in expand01.mix).AM expansion: expand2.mix > aftrmath.ini (loaded after rules.ini and overrides/adds to RA1 rules).
The rules.ini file as well as many other interesting files are located inside the game MIX files. It allows easy modifications because it was not hard-coded as in Tiberian Dawn. Rules.ini is a configuration file that included unit stats starting from Red Alert. Please refer to the talk page for further discussion.
