A minimalist typing test — inspired by the Bemonkey iOS app and built as a single self-contained index.html with no build step and no dependencies.
Live demo: https://bralash.github.io/clack/
Features
Modes
-
Time — 15 / 30 / 60 / 120 / 180 second runs.
-
Words — 10 / 25 / 50 / 100 word runs.
-
Quote — type real quotes (short / medium / long); the result screen credits the author.
-
Shoot — a ZType-style typing game: words drift toward your ship, type one to lock on and fire, destroy it before it reaches the base. Difficulties: calm / normal / frenzy. Pause with the ❚❚ button or Esc (Esc again quits).
- Power-ups fall as glowing capsules — type the name to grab it:
freeze slows everything to a quarter speed for 10s (easing back at the end) · double doubles points for 10s ·
chain makes every kill zap the nearest word too, for 10s · tiny spawns only 3–4 letter words for 10s ·
rewind glides every word back up the field over 3s, with nothing new appearing · shield restores a life or blocks the next hit ·
boom stores a bomb you set off with Space to clear the screen.
Timed power-ups run side by side, and grabbing a running one adds time. Missing a power-up never costs a life.
- On phones the game fits above the on-screen keyboard (via the visual viewport), keeps the same fall time on a
shorter field, spaces words out on small screens, and pauses when the keyboard closes or the app is switched.
-
Daily challenge — the same 30 words for everyone each day, one attempt. Share your result as a Wordle-style
grid (🟩 clean word, 🟨 mistake), post it to 𝕏, or save a result-card image. Consecutive days build a daily streak.
Time and words runs support punctuation, numbers and weak keys modifiers. Weak keys fills a run with words
built from the keys you miss most — also one click away on the stats page. Words auto-advance the instant you finish them (right or wrong), so nothing interrupts your flow.
Feel
- Soft mechanical key-click and a dull error thud (Web Audio, toggleable, with haptics).
- A caret that pulses with your rhythm, a shake on errors, and a glow when you nail a word.
- A faint live-WPM readout that rises as you type.
- A combo multiplier that grows with each clean word and resets on a mistake.
Progress & stats
- The home screen shows your day streak and this week (Monday to Sunday, a square per day) at a glance, plus
this month's totals on wider screens.
- A stats page: a GitHub-style activity heatmap (six months on screen, a year to scroll through), per-key accuracy
(which keys you fumble), a WPM-over-time chart, and personal bests per mode.
- Results compare each run with your average for that mode and device, and flag runs that count for the
leaderboard with a 🏆 ranked tag before you start.
- Keyboard first: Enter starts a run and plays again from the results, Tab restarts, Esc quits.
- Achievements — 16 badges (speed tiers, accuracy, streaks, volume, combo, variety and four shooter badges), each with its own emblem and an unlock celebration.
- Help page — "how it works" explains every mode, the WPM maths, the shooter, power-ups and achievements.
Clack School
New to typing? Clack School teaches touch typing from zero across four units — get set (hand position),
home row, top row and bottom row — 19 short lessons in all. Each lesson introduces one or two keys:
meet them (glowing fingertip pads on an on-screen keyboard show which finger reaches where), drill the motion, type words
made only from keys you know, then a scored check. Wrong keys don't advance and name the finger you used by mistake.
Lessons unlock at 90% accuracy and earn up to three stars; the on-screen keyboard fades while you type accurately so you
learn not to look. The get set lesson opens with a picture of both hands in the home position, and a hand position
button brings it back during any lesson (the clock pauses while it's open). First-time visitors are asked whether they can already touch type.
Clack School is made for a full keyboard. Computers and tablets with a keyboard get it as is. Tablets on their
on-screen keyboard can take the lessons too (the keyboard comes up, and lesson 0 explains home position on glass), with a
note that a real keyboard is better. Phones are told the lessons don't apply to thumb typing and can share the link to a
computer; they unlock as soon as a physical keyboard is detected. Phones, tablets (including iPads that present themselves
as Macs) and desktops are told apart by the browser's own report, the OS in the user agent, then screen size.
Leaderboard & sync
- Three boards — daily, 30s and 60s — each with separate keyboard and phone lists, and
today / this week / all time views for the timed boards.
- No accounts. Pick a name and Clack gives you a recovery code (
clack-XXXXX-XXXXX-XXXXX-XXXXX) — the key to that
name. Enter it on another device to sign in there; stats, clacks, badges and store items sync between devices.
Names can change once every 60 days; names unused for six months are released.
- Verified scores: runs are sent as keystroke logs and the server replays them to compute wpm and accuracy itself,
rejecting runs that don't match the words, overrun the clock, exceed 250 wpm or have machine-regular timing.
- Fully optional: nothing leaves the device until you pick a name, and you can delete your name and scores any time.
Until you have one, the results of every game (tests, the daily, the shooter) offer to claim one right there —
the run you just finished goes on the board, and you're shown your recovery code. "Not now" hides it for a day.
- The stats page can split keyboard vs phone runs, so you can compare your speed on each.
⚔ Clack Off
- Challenge links. After a 30s or 60s run, press ⚔ clack off, pick a preset taunt and share the link
(
?c=<code>, with share / WhatsApp / copy). Friends type the exact same words against your ghost — your verified
run replayed keystroke by keystroke — with live race lanes showing who's ahead.
- Group clack offs: open for 24 hours, one attempt each, with a mini leaderboard of everyone who raced.
- Rematch, a shareable result card, and a win–loss record against each rival.
- Guest play: claim a name inline on the challenge page, or race without one (the result isn't posted).
- The home card lists your clack offs and flags new results. +10 clacks per clack off, +15 for beating the ghost.
Clacks & the store
- Clacks are earned by playing: ~1 per 25 correct characters in a typing run (15s / 10 words minimum),
1 per 20 shooter points, +20 for the daily (plus a daily-streak bonus), +15 for a new personal best, and a one-off
reward for every badge.
- The store has three tabs, each item with a live preview. Some also need a badge, and everything is cosmetic —
nothing changes your score:
- typing: sound packs for every key (Thock, Clicky, Bubble, Typewriter, Arcade), synthesised with Web Audio,
with a ▶ listen button.
- shooter: 3D-rendered ships (Dart, Stealth Wing, Saucer, Pixel, Comet, Obsidian; the art is cut from
brand/ships.png into brand/ships/ by server/scripts/cut-ships.mjs) and bullet trails
(Dotted, Laser, Plasma, Ember, Rainbow).
- you: the streak freeze (200 clacks, hold up to 2, spent by itself when you miss a day), ghost skins
that everyone racing your clack offs sees, and share card frames for the daily and clack off cards
(Paper, Neon, Blueprint, Gilded, Kente).
Polish
- Light and dark themes.
- Fully responsive — works from desktop down to phones, including on-screen-keyboard support on touch devices.
Run it
It's a static page — just open the file:
open index.html # or double-click it
Or serve it locally:
python -m http.server 8000
then visit http://localhost:8000.
Deploy (GitHub Pages)
Because it's a single static file, you can host it for free:
- Push to GitHub (already done).
- Go to Settings → Pages.
- Under Build and deployment, set Source: Deploy from a branch, Branch:
main, Folder: / (root), and Save.
- After a minute it's live at
https://<user>.github.io/clack/.
Storage
All progress is stored locally in your browser via localStorage. Nothing is sent anywhere unless you join the leaderboard:
clack_activity — daily activity that drives the heatmapclack_stats — per-key accuracy, WPM history (tagged keyboard or phone), personal bests, achievements, modes tried, daily results, clacks and store itemsclack_theme — light / dark preferenceclack_mods — punctuation / numbers togglesclack_sound — sound & haptics on/offclack_online — your name, recovery code, sync state and any runs waiting to be posted (only after you join)
Without a name, progress is per browser, per device. With one, it syncs through the API to every device you sign in on.
Clearing your browser's site data resets this device; keep your recovery code to get your name back.
Leaderboard API
The leaderboard, names and sync run on a small Cloudflare Worker with a D1 (SQLite) database —
free at Clack's scale. See server/README.md for running it locally and deploying.
API_PROD in index.html points at the deployed Worker; set it to "" to switch the leaderboard off.
admin.html is a private admin page (stats, players, runs, moderation and an activity log) that
needs the Worker's admin key.
Tech
Vanilla HTML/CSS/JS in one file. Monospace type (JetBrains Mono via Google Fonts), Web Audio for sound, <canvas> for the shooter and the WPM chart, localStorage for persistence, CSS custom properties for theming.
License
MIT — see LICENSE.
