Even in 2026, Enemy Within has active mods:
It is a reverse-engineered, open-source patch that rewrites the core .exe and UPK files. It does not add new content; it fixes what Firaxis broke. xcom enemy within upd
Does not require the original mobile port; includes most EW features. Enemy Unknown Plus Bundled together as a single package. Even in 2026, Enemy Within has active mods: