A story-rich psychological horror set aboard an ever-changing narrowboat. Experience Caroline Miller's descent into an increasingly twisted reality as she searches for her missing husband

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This game is not yet available on Steam

Planned Release Date: Q4 2026

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About This Game

"Robert, where are you?"

Mayfly is a 'quiet horror’ where you must weave your way through unstable and ever-shifting realities, finding clues and solving puzzles to piece together a compelling mystery.

Features

  • A short psychological horror experience focused on deep exploration, slow-burn narrative and a disquieting atmosphere

  • A ‘reality collapse’ mechanic that punctuates the unfolding horror, transforming your environment as you progress

  • Full controller support and Steam Deck compatible*

Deeply immersive and highly explorable. What will you uncover?

  • 3D audio design for full immersion (headphones recommended)

  • Professional voice acting complimented by a deliciously unnerving atmospheric soundtrack

  • Fully inspectable items for added clue-finding for players with a keen eye

Challenging puzzles set amidst a shifting reality. Can you guide Caroline back to her missing husband?

  • Search a highly detailed narrowboat setting that evolves and changes as the story unfolds

  • Optional side quests and items to collect for players who like to truly immerse themselves in the game.

  • A series of varied puzzles to solve as you weave your way through an ever-changing environment

A powerful story designed to slowly reel you in

  • Emotive text-based item interactions reveal Caroline's inner state of mind, adding a subtle layer of psychological exploration

  • Inspect the many available items to reveal additional lore - which changes and adapts along with Caroline's state of mind.

  • Emotional intensity is also presented through interactions; happiness, fear, confusion and anger are all depicted along with differing ranges of intensity depending on events within the game.

Retro vibes with a modern flavour

  • Lo-fi visuals

  • Set in the late 1990s in the North-West of England

  • A modern UI - with just a gentle nod to the golden age of gaming


*Fully tested with USB-connected XBox & PlayStation controllers and Steam Deck

Mature Content Description

The developers describe the content like this:

Themes of isolation and loneliness. Some references to depression, mourning and loss

System Requirements

    Minimum:
    • OS: Windows 10
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 550 Ti or AMD Radeon HD 6770
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