Guides
Short reads and FAQs about frequency games and casual ear training. For quick checks, see the tools hub. For score-based modes, see More games.
Deep guides
Longer, higher-signal reads for improving pitch memory and understanding frequency perception.
How to improve pitch memory: a 30-day plan (5 minutes/day)
A simple daily routine to build pitch memory fast — what to do each week, what to track, and how to avoid burnout.
Why logarithmic sliders feel natural for pitch (with examples)
The shortest explanation of pitch perception: ratios beat differences. Plus quick examples you can feel in 60 seconds.
Frequency discrimination training: the science (and what actually works)
What you’re training, why progress feels noisy, and the simplest setup to get real improvement without overthinking it.
Help & common questions
Same content that used to live on the home page — now with stable URLs you can share.
What is a sound game?
A short introduction to browser sound games and frequency matching.
How good is your ear?
What “good” means in a casual frequency game — and what it does not mean.
Frequency game tips for a higher score
Practical tips aligned with three-tone rounds and logarithmic scoring.
Ear training tips (casual practice)
Low-stakes ideas for musicians and curious listeners — not a medical program.
What is hearing age and how is it calculated?
A plain-English explanation of the viral “hearing age” idea — and its limits.
How to improve your hearing and ear training
Practical, safe tips for building listening skill — not medical advice.
Sound game tips for a high score
Practical tips to score higher in a sound game — without turning it into homework.
What frequency can humans hear?
A practical overview of hearing range in Hz — and why devices often matter more than biology online.
Color similarity (ΔE) explained — why OKLab scoring feels like “human vision”
What ΔE means in a color game, why OKLab is a good default, and how to read a “how close was I?” score without overthinking it.
How to use a color wheel (HSL) to match colors faster
A practical guide to hue, saturation, and lightness: a simple 3-step method to match colors quickly without getting lost.
Why color names don’t map to one exact color (and why that makes a great game)
Color names are fuzzy: people disagree, screens differ, and culture matters. Here’s why “guess the color name” is an intuition puzzle, not a lookup task.
HEX vs RGB vs HSL: what they mean (and how to convert without confusion)
A practical guide to color formats for the web: how HEX relates to RGB, what HSL is good for, and how to avoid common conversion mistakes.
Why the same color looks different on different screens (and what to do about it)
Color on the web is not absolute. Here’s why your phone and laptop disagree, and how to get more consistent results in color games and tools.
WCAG contrast ratio explained (AA vs AAA) — a practical guide
What contrast ratio means, how AA/AAA targets work, and how to use a contrast checker without getting lost in rules.
How to build a color palette fast (shades, tints, and harmony)
A simple workflow for creating a usable palette from one base color: build a lightness scale first, then add accent harmony if needed.
How to spot the odd color faster (a quick perception strategy)
A practical strategy for “find the odd color” puzzles: use lightness-first scanning, then hue family, then saturation — in that order.
How to guess HEX colors better (without memorizing codes)
A practical approach to HEX guessing: anchor lightness, then hue family, then saturation — and use conversion tools to build intuition over time.
How to improve pitch memory: a 30-day plan (5 minutes/day)
A simple daily routine to build pitch memory fast — what to do each week, what to track, and how to avoid burnout.
Why logarithmic sliders feel natural for pitch (with examples)
The shortest explanation of pitch perception: ratios beat differences. Plus quick examples you can feel in 60 seconds.
Frequency discrimination training: the science (and what actually works)
What you’re training, why progress feels noisy, and the simplest setup to get real improvement without overthinking it.
Quick links
Dialed Sound Game (daily)
Same three tones for everyone each UTC day — use the Daily tab.
Perfect pitch game
Long-tail landing for “perfect pitch game” — same play flow as home.
Pitch Game (short)
Shorter pitch-focused entry — same run, different framing.
Frequency Game (short)
Frequency-focused entry — same run, different framing.
Frequency game (full guide)
Longer article + FAQ — same core game, extra context for search.
Tone test
Framed for “tone test” — pure-tone rounds in the browser.
Sound memory game
Framed for “sound memory game” — remember tones, match on a slider.
Tools hub
Hearing-age page, L/R check, and all tool landings in one list.
Sound science
Hz, loudness, and how we hear — short reads.
About this site
What this game is and what it is not.
Independent browser game — not an official site for any third-party brand.