Overview
Welcome to IN & OUT, an immersive first-person puzzle game developed and published by KASTEN. This title challenges players to rely solely on their powers of observation and deduction, as there are no voiceovers or written explanations to guide them. You'll find yourself in stark, cold rooms filled with symbols, intricate mechanisms, and locked doors. A mysterious presence seems to be watching your every move, recording your choices as you navigate the game's unique challenges.
Highlights
- Observation is Key: Each room in IN & OUT operates on its own internal logic. Players must meticulously study the environment, decipher symbols, and connect disparate elements to uncover the solution.
- Pure Visual Puzzles: The game eschews traditional instructions, instead focusing on visual puzzles that utilize symbols, shapes, spatial clues, and logical associations to test your understanding.
- Immersive First-Person Experience: Step directly into the enigmatic world and engage with its challenges through a first-person perspective, enhancing the sense of immersion and personal discovery.
Who It's For
IN & OUT is designed for players who enjoy a cerebral challenge and appreciate games that encourage deep thought and exploration. If you're a fan of puzzle games that rely on visual interpretation and logical deduction rather than explicit tutorials, this title should pique your interest. It's also suitable for those who enjoy a minimalist aesthetic and a sense of mystery.
Game Info
Developed and published by KASTEN, IN & OUT is a single-player adventure that offers a unique puzzle-solving experience. The game supports Steam Achievements and HDR. It was released on August 31, 2026, and is available for purchase on Steam. A wide range of languages are supported, ensuring accessibility for a global audience.





