Note that we're going for the most direct route to solve the main puzzles and not diving into all the various secrets for every achievement. If you are having trouble getting into the basement and figuring out how to proceed past all those stubbornly locked doors, we've got you covered with a step-by-step guide to the neighbor's security system. Hello Neighbor Guide: Act 1 Puzzle WalkthroughĪfter hours of flipping switches, breaking windows, hiding in closets, and picking up every object known to man, you're probably more than a little stumped on how to complete Hello Neighbor 's Act 1 segment.