13iew is a spooky horror puzzle game developed by GMD Studio for Windows. The game follows the story of a girl who is abandoned in the basement of a hospital and must escape while dodging the doctor. The game consists of three chapters, each with a unique atmosphere and foreshadowing throughout the map.

The game features a unique gameplay mechanic where players switch between first-person and side-view perspectives to solve puzzles by interacting with various objects. It requires players to differentiate between objects that can be interacted with in first-person and third-person. The controls are similar to other side-view games, but the addition of first-person can be a little complicated at first.

As players progress through the game, they will uncover hidden foreshadowings and various devices throughout the map that help to complete the story and understand why the doctor abandoned the girl in the basement. Overall, 13iew is an enjoyable game with a spooky atmosphere and challenging puzzles that will keep players engaged throughout.