Open now · By request
Mirria playtest
by Carl Burton
An atmospheric casual puzzle game where players navigate a strange cryptic world that blurs the line between dream and reality. Using inspection and memory, uncover hidden anomalies between mirrored worlds.
It's free to ask. The developer chooses who gets in.
- Access
- By request
- On playtest since
- Dec 10, 2025
- Planned release
- 2027
- Developer
- Carl Burton
- Platforms
- Windows, macOS, Linux
- Players
- Single-player
- Languages
- Arabic, Bulgarian, Czech, Danish and 26 more
How to join the Mirria playtest
- Open the game's Steam page with the Request access button. Sign in to Steam if it asks.
- Request access to the Mirria playtest there. It's free and doesn't commit you to anything.
- The developer lets players in, often in batches, so it can take a while. Steam emails you when you're in, and the playtest appears in your library.
New to playtests? How Steam playtests work
About Mirria
From Carl Burton, the creator of IGF Finalist Islands: Non-Places, MIRRIA is an atmospheric casual puzzle game where players navigate a strange, cryptic world that blurs the line between dream and reality. Using inspection and memory, players uncover hidden anomalies between mirrored worlds.
DREAMLIKE WORLDBUILDING
Each biome is a self-contained story. These mysterious progressions invite the player to
imagine a strange, interconnected world.
HANDCRAFTED, INFINITELY REPLAYABLE
Each area is replayable with unique solutions every time. Completing levels unlock new biomes, each revealing a world steeped in quiet atmosphere and ambient mystery
A UNIQUE TWIST ON A BELOVED GENRE
Mirria reimagines the simplicity of spot-the-difference game mechanics with mysterious, hand-crafted environments.
A DISTINCTIVE ART STYLE
A handcrafted aesthetic by artist Carl Burton. Beautiful and emotionally resonant.
SURPRISING AND INTUITIVE
Explore a surreal, ever-evolving world where every area is unexpected, but the controls and goals are always intuitive. You’re never lost, only intrigued.
DYNAMIC ATMOSPHERIC SOUNDTRACK
Ambient sounds are modulated in real-time, creating a procedural soundscape that draws players deeper into these contemplative spaces.
From the game's Steam page.
