In Beta 3, when you finally escape the house, a police helicopter appears. In later builds, this is a static cutscene. In Beta 3, you can actually throw objects at the helicopter to alter its flight path, leading to a secret "Crash Landing" ending that was removed due to physics bugs.

Beta 3 can still be officially accessed by owners of the full game on Steam. To play it, right-click "Hello Neighbor" in your Steam Library Properties , and choose from the dropdown menu. Google Play (Android): The version available on the Google Play Store

If there's an exclusive download link being referred to, it's likely through:

It introduced the first boss fight and a specific version of the basement. AI Improvements: