The game revolves around a curious protagonist who notices that his neighbor has something to hide. The player must break into the neighbor's house to discover what he is concealing. The challenge lies in the fact that the neighbor is a cunning and intelligent adversary who tries to thwart the intruder. Therefore, the player must avoid traps, solve puzzles, and cleverly utilize the environment to infiltrate the house.

The game is divided into three acts, with each act becoming more difficult as the player faces increasing challenges and obstacles. The atmosphere of the game is dark and eerie, featuring many jump scares that can startle the player.

Overall, Hello Neighbor is a unique and challenging game that offers a blend of stealth gameplay, puzzle-solving, and survival horror.