Overview
Old Retina Museum presents "Crimsooon Sun," a unique mystery adventure that challenges players to engage with a narrative where their choices don't alter the story's outcome. This game focuses on deduction rather than branching paths, offering a singular, unchangeable narrative experience. Players are presented with a mystery and must use their wits to unravel it, with the ultimate action being a single, decisive trigger pull.
Highlights
- A Fixed Narrative Experience: Unlike traditional adventure games, "Crimsooon Sun" features a story that cannot be changed by player choices, emphasizing a singular, predetermined plot.
- Focus on Deduction: The core gameplay revolves around piecing together clues and making deductions, culminating in a single, critical decision point.
- Released July 16, 2026: Developed and published by Old Retina Museum, this title offers a fresh take on the mystery genre.
Who It's For
This game is for players who enjoy mystery and detective stories but are looking for a different kind of interactive experience. If you appreciate a well-crafted narrative that you can explore and understand through deduction, rather than manipulate, "Crimsooon Sun" might be for you. It's also suited for those who enjoy visual novels and choose-your-own-adventure formats but are intrigued by the concept of a story with no game overs or multiple endings.
Game Info
"Crimsooon Sun" is a paid title available on Steam, featuring support for both English and Japanese languages. It includes Steam Achievements and is categorized under Adventure, Casual, Visual Novel, Choose Your Own Adventure, Mystery, and Detective genres. The game is developed and published by Old Retina Museum. Despite the emphasis on choice, the game's description explicitly states that player decisions will not alter the story or the movement of celestial bodies, highlighting the singular nature of the narrative and the player's role as an observer and deducer.





