The big ones Each on a page of its own
Phones
Play
Nova Rescue
A space rescue made for a phone: drag to fly, save the drifting crews, dodge meteors and raiders, and face a mothership every fourth sector.
Phones
Play
Wobble Forts
A physics game made for a phone: pull back and fling the round Bloops at the Grumps' wobbly forts of wood, glass, stone, metal and TNT, fifteen forts in three lands.
Phones
Play
Puzzle Almanac
A daily puzzle book made for a phone: a Number Place and a Hidden Word, new every day and the same for everyone, with stickers to collect.
Play
Pixel Platformer Maker
A platformer and level maker with real Box2Dxt physics. Play eight levels, then build your own.
Open
SVG Lab
Every new SVG feature, with its tests: style sheets, clip paths, gradients, export, convert to graphics and live vector drawing. Try your own SVG.
Open
Waterwheel
One Box2D body turns a whole group of graphics. Rotate by degrees, spin it, flick it, throw it by hand or let the water turn it.
Small wonders Each on a page of its own
Play
Beat Box
A 16-step drum machine: drums made by Web Audio, kept in time by the browser, and your beat saved for next time.
Play
Fireworks
Click the sky: hundreds of sparks, each a graphic moved by script, sixty times a second.
Play
Live Weather
Today and the week ahead for any place, fetched from open-meteo.com with put url and drawn as a chart.
Play
Web Audio Piano
Two octaves to play with the mouse or the keyboard; each note is made by the browser, through do ... as JavaScript.
Play
Neon Snake
The classic game on a timer loop: steer with the keys or a swipe, and your best scores are kept in the browser.
Play
QR Studio
Type a link, a Wi-Fi network or a contact and get a QR code your phone can scan, then download it as a PNG.
Play
Talking Robot
A robot that says what you type in the browser's own voices, lights up each word as it speaks, and watches your mouse.
Play
2048
Slide and join the tiles to reach 2048, with animated moves, an undo, and your best score kept in the browser.
Play
Quake Map
The world's earthquakes, live from the USGS: fetched with put url, read by the browser and drawn on a map you can explore.
Play
Kanban Board
Drag cards between three columns while the others slide out of the way; add, tag, edit and bin them, and the board is kept in the browser.
Play
Markdown Notes
Write Markdown on the left and see it styled on the right as you type, tick boxes in the preview, and download a note as Markdown or a web page.
Play
UI Gallery
Modern controls drawn with graphics and a little script: switches, sliders, a segmented control, a progress ring, toasts, a sheet and a dark theme.
Play
Photo Lab
Open a photo of your own, pick a look, adjust it and download it at full size; the browser does the pixel work and the photo never leaves your computer.
Play
Phone Starter
A stack to copy for phones, made with the Mobile Web library: tabs for a thumb, swipes, pinches and every finger, a list that scrolls with a finger, a form above the keyboard, and the camera, location, tilt and share sheet.
Play
Responsive Starter
One stack for every screen, made with the Mobile Web library: a tab bar on a phone, a rail on a tablet and a sidebar on a desktop, a grid that reflows, details in a sheet or a pane, and a dark look. Make the window narrower to see it.
Learn by playing Tours and lessons, each on a page of its own
Play
OXT-Beyond on the Web
A live tour of what a stack can do in a web page: dialogs, files, the internet, JavaScript, sound and speech, drawing, SQLite and encryption.
Play
Learn xTalk
A playful first course: ten lessons with code you run and change, a challenge on each, and stars kept in your browser.
Play
xTalk Primer
A home stack of examples: buttons and menus, fields and text, graphics and timers, lists and data, each with a short script to read.