Granny is a first-person horror survival game created by developer DVloper. Since its first release in 2017, the game has quickly gone viral and become a dark horse in the indie space with its simple yet creepy setting. The game places the player in an airtight, oppressive house, tasked with hiding from a scary old woman and finding a way to escape within five days. Though seemingly simple, the game delivers an unforgettable horror experience with its tense atmosphere, clever puzzle design and unpredictable enemy action patterns. The core scenario of the game is a structurally complex house.Players wake up from a small room and find themselves trapped in this building full of traps and dangers. The layout of the house contains multiple floors, including cellars, underground tunnels, attics, etc. Each area hides puzzle clues and key props. The player's task is to explore these areas and gradually collect the necessary items to escape, while avoiding the pursuit of “Grandma”. “Grandma is the only enemy in the game, but her threat is always present. She is extremely hard of hearing, and the slightest sound will attract her attention. This means that the player must be extremely careful when exploring the house, whether it's opening a cupboard door, stepping on the floor, or accidentally knocking over an object that will attract her inspection. If caught, the player will be knocked out and sent back to the starting point, wasting a day. In total, players have only five days to complete the escape, and failure means a gruesome end. Much of Granny's success can be attributed to its carefully crafted horror atmosphere. The game's graphics feature dim colors and slightly rough textures, a style that, while not beautiful, creates an eerie sense of unease. The house is poorly lit, with flashlights in many places, and the eerie soundtrack and occasional footsteps keep the player on edge. The game's sound design is also commendable. The player can clearly hear the footsteps and laughter of “Grandma”, whose sudden appearance often makes the heart beat faster. This sound feedback not only enhances the immersion of the game, but also forces the player to stay alert and plan every move carefully. The scary atmosphere comes not only from the threat of “Grandma”, but also from the design of the house and the layout of props. Many rooms have locked doors that require players to find specific keys or tools to open, and these props are usually scattered in different areas or even hidden in secret compartments or other items. The tension is heightened by the fact that the player often has to risk being captured while solving the puzzles by going deeper into Grandma's area of operation. The game's puzzle system is another key feature of Granny. During the escape from the house, the player will need to find several key items, such as the main door's locking pliers, batteries, keys, etc., which correspond to different puzzles. For example, one door may require a specific key to open, while another passage may require the player to destroy obstacles before entering. This design not only increases the game's strategy, but also provides players with multiple escape routes. “Grandma's AI mechanics are one of the game's highlights. Not only does she react instantly to sounds, but she also patrols the house, randomly checking different rooms. If the player is in her line of sight, it will be much more difficult to escape. In addition, as time passes, “Grandma” will become more alert and quicker, creating more pressure on the player. To help players cope with this challenge, the game provides a variety of props and tactics. For example, players can use traps to temporarily trap Grandma, or hide from her by crawling under a bed or in a closet. However, the use of these props requires precise timing and tactics, and the slightest oversight can lead to detection. The game also offers a variety of difficulty options, ranging from “Easy” to “Extremely Hard”, as well as a “Practice Mode”. In Practice Mode, players can explore the house without worrying about the threat of Grandma, which is a great way for newcomers to get started. In Hard Mode, Grandma is faster and more responsive, and additional obstacles are added to the house, making the game much more challenging. With its simple but highly creative design, Granny offers players an intense and exciting horror escape experience. The game's high-pressure atmosphere, random puzzle elements and intelligent AI mechanics make it stand out among similar indie games. Despite the relatively plain graphic style, it manages to utilize sound and environmental design to maximize the sense of horror. Whether you are an avid horror gamer or a novice who wants to try to challenge yourself, you can find enjoyment in this game.