Planetary audio
Each world has a distinct sonic signature.
Planet resonance gameMatch the tone of worlds
A meditative memory game
Pair planetary sounds and cosmic tones in a calm, focused game. Play a short round at your own pace.
Create a free account. No card needed. Creating and entering Forest require membership at $3.99 USD/month for new members. Cancel anytime. Existing lifetime access stays permanent.
What is a meditative memory game?
A meditative memory game replaces countdown pressure with a gentler, unhurried pace. In Planet Resonance, you match planetary tones by ear in short sessions. The game invites attention and experimentation; it does not promise a particular mood or health outcome.
What you get
Memory mode
Gentle challenge without chaos or timers.
Cosmic aesthetic
Visuals match the wider universe.
Short sessions
Ideal between meditation or journaling.
Play at your own pace
Planet Resonance is a game, but the pace is closer to breath work than battle.
How Planet Resonance works
Match planetary tones by ear. Headphones help. Timers do not.
Planet Resonance is a calm memory game. Each world has a sonic signature. You pair tones in short sessions that feel closer to breath work than competition. Five minutes is enough.
Play between meditation and journaling. Sound is required; the mechanic is listening. Visuals match the wider universe so the game does not yank you into a different aesthetic.
- Planetary audio matching
- Gentle memory challenge without chaos timers
- Short sessions between other rooms
- Headphones recommended
Who Planet Resonance is for
People who think with their ears. Meditators who want a tiny game that does not spike adrenaline. Anyone who has five minutes and a pair of headphones.
What membership includes
Membership includes Planet Resonance with meditation and the universe those tones belong to.
This experience is part of Mercury 91's living universe. Walking in to look around costs nothing: you can orbit the planets, see who else is present, and read public stars and dreams without paying. Membership is what lets you create and keep things, at $3.99/month for new members, cancellable anytime.
If a membership ever lapses, nothing you made is taken from you. You keep reading, editing, and deleting your saved work. Creating new entries and entering Forest pause when paid access ends; both resume the moment you rejoin.
If you already bought Mercury 91, nothing changes. Your lifetime access stays yours at no further cost, forever. You will never be asked to subscribe, and nothing you can open today moves behind the monthly price.
New members $3.99/month. Cancel anytime. 14-day money-back. Existing lifetime members keep lifetime access.
Planet Resonance Game
How to Play
- Watch the Sequence: Planets will light up and play their unique cosmic tones in a pattern.
- Repeat the Pattern: Tap the planets in the same order. Each round adds one more planet to the sequence.
- Stay in Resonance: Get the order wrong and you'll trigger cosmic disharmony—but you can always retry!
- Progress & Collect: Every 3 rounds, the cosmic background evolves. Rare "Resonance Fragments" may appear as you play.
- Challenge: Reach Level 12 to unlock the Universe and continue your journey in Mercury 91.
Repeat the cosmic sequence. How far can your resonance reach?
© 2026 Mercury 91 — Planet Resonance Game
Frequently Asked Questions
Yes. Matching planetary tones is the core mechanic of the resonance game, so you need audible output to play fairly. Headphones are recommended so each tone is clear, but speakers work if the room is quiet. Keep volume comfortable and pause if the sounds feel overwhelming.
Built and written by Rae, Founder & Solo Developer of Mercury 91Melbourne, AustraliaResearch & methodology
Play a round
This experience is part of Mercury 91's living universe. Looking around the Universe is free. Creating and entering Forest need membership. $3.99/month for new members. Cancel anytime. 14-day money-back. Already bought Mercury 91? Your lifetime access stays yours, at no further cost, forever.
Enter the universeCreate a free account. No card needed. Creating and entering Forest require membership at $3.99 USD/month for new members. Cancel anytime. Existing lifetime access stays permanent.
Explore the public demo and dream archive before joining