The modding community released a fan-made expansion called Bendy: Lone Wolf which uses assets originally tagged with "Beta 1313" in the game's source code. This mod reintroduces the corridor chase sequence that was cut from Chapter 4.
Many "exclusive download" links for non-existent versions are often fan-made mods or, worse, malware. The Confusion:
If you’re looking for Bendy and the Ink Machine or its sequels, purchase them from official stores. There is – any claims otherwise are hoaxes or mods mislabeled by third parties.
Here is what we know for certain: