Bizarre, surreal puzzles that differed significantly from the final game.

The most famous of these is the and Alpha 1 . These early builds featured: A smaller, more grounded house design. A more aggressive, unpredictable Neighbor AI.

If you are looking for the official mobile version to play, I recommend checking the Google Play Store for the latest, fully supported release of Hello Neighbor.

These prototypes were not fully polished games. Instead, they were sandbox-like experiences focusing on: Testing how the neighbor reacts to player behavior.

Memory leaks caused by the early, unoptimized physics engine.

Hello Neighbor Prototype for Android is primarily a community-driven or fan-made port of the original PC pre-alpha build. Reviewing it requires distinguishing between the official Hello Neighbor mobile port

When “Hello Neighbor” first captured the imagination of gamers with its 2016 pre-alpha release, it introduced a unique concept: a stealth-horror game where you must sneak into your neighbor’s house to uncover a dark secret, all while facing an intelligent artificial intelligence (AI) that learns from your every move. Since then, the franchise has grown substantially, and its early prototype builds have become a fascinating piece of gaming history. For Android enthusiasts, these prototypes represent a raw, unpolished, and charmingly chaotic glimpse into how a video game evolves from concept to reality.