Not right now — Steam does not list Mayfly as free to play, and none of the stores we track sells it in your region.

Can I play Mayfly on Mac?

Not natively — Steam lists no macOS version of Mayfly. Mac players would need a cloud gaming service or a Windows compatibility layer.

Is Mayfly multiplayer?

No — Steam lists Mayfly as single-player only.

Is Mayfly on PC Game Pass?

No — Mayfly is not on PC Game Pass right now.

Mayfly

Backyard Zoo · December 31, 2026 · Walking Simulator, Atmospheric, Story Rich, Mystery, Short

No store is selling Mayfly right now. We track it and will show a price as soon as one appears.

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Prices last checked 15 Oct 2026, 01:07 UTC

No store is currently selling Mayfly. It released on December 31, 2026 and was developed by Backyard Zoo. We keep tracking it across every store we cover, so set an alert below and you will know the moment it is on sale again.

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About Mayfly

✦ AI summary

Mayfly is a psychological horror experience where you play as Caroline, trapped on a locked narrowboat searching for your missing husband while reality itself begins to collapse around you. Navigate a richly detailed, constantly shifting environment filled with puzzles, story clues, and a haunting atmosphere designed to be completed in under two hours.

"I'm sorry Robert, I can't wait here forever. I have to find a way to leave this place"You are Caroline Miller. You find yourself on a narrowboat. The doors are locked. Your husband is missing. You're desperate to find him, but this place will not let you leave...Mayfly is a 'quiet' story-rich psychological horror where you must navigate your way through unstable and ever-shifting realities, finding clues and solving puzzles to piece together a deeply compelling mystery.

You awaken on a bright summer morning, unexpectedly alone. Your husband Robert is nowhere to be found. You wonder where he could be. Attempting to leave the bedroom you find the door mysteriously locked. There's no way out. As you await Robert's return you begin to notice a slow unravelling of your surroundings, of reality itself. It slowly dawns on you that something is very, very wrong.

Constantly shifting realities: A ‘reality collapse’ mechanic punctuates the unfolding horror, transforming your environment as you progress, leaving you constantly guessing what will happen next.
Short and sweet: Mayfly is a short psychological horror experience focused on deep exploration, slow-burn narrative and a disquieting atmosphere. It's designed to be completed in under two hours.
Story-rich: Mayfly features a densely packed, highly explorable narrowboat environment. You can explore as much, or as little as you desire. As well as notes and collectable items, there's also an abundance of objects in the game which contain 'story interactions' plus a raft of hidden clues for players with a keen eye.

Highly explorable and ever-changing: Search a richly detailed narrowboat setting which constantly changes. Items mysteriously vanish and re-appear, objects change positions and environment lighting shifts. The deeper you venture, the harder it becomes to trust what you see.

Optional side-quests and collectables: For players who wish to 'go deep' there are several optional puzzles and tasks to complete.
Challenging puzzles: A series of varied puzzles to solve as you weave your way through an ever-changing environment.

Emotional text: Emotive text-based 'story interactions' reveal Caroline's inner state of mind, adding a subtle layer of psychological exploration and expression.
Context-specific story: Inspect the many available story interaction items to reveal additional lore - which changes and adapts along with Caroline's state of mind.
Emotional reactions: 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.

Professional voice acting: Voice actor and award winning singer songwriter Tammy King plays the role of Caroline Miller.
Original soundtrack: Featuring a vast range of music, from delicate piano melodies to harsh otherwordly drones, Mayfly's soundtrack draws you in to the unfolding horror.
Layered 3D audio design: Headphones recommended! Utilising a deep, layered audio soundscape you'll want to make sure you don't miss some of the more subtle whispers, bumps and bangs occurring just within earshot.

Lo-fi visuals: A gentle pixelated aesthetic.
90s English vibes: Set in the late 1990s in the North-West of England, Mayfly is packed with northern charm and contains lots of subtle references to British popular culture. How many can you find?
Retro UI: A user interface which gently evokes feelings of gaming nostalgia, with an added layer of modern polish.

* Mayfly has been fully tested with USB-connected XBox & PlayStation controllers and is also Steam Deck compatible.

Mayfly — game info

Platforms: Windows
Player modes: Single-player
Controller: Full controller support
PC Game Pass: Not included

More games like this:Games with full controller support

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