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A vast, barely filtered pile of browser games including a great many Flash-era oddities kept alive by an emulator.

Widely reckoned the strongest reverse image search for faces, places and heavily cropped photos. Worth trying when TinEye finds nothing.

Unicode styling for places that forbid formatting, so bold and italic survive a paste into a profile bio.

Old Faithful on a live feed, plus static cameras on the geyser basin and the north entrance, run by the National Park Service.

Nonprofit solutions journalism on climate, housing and democracy — more sober than cheerful, but pointed the same way.

Two decades of first-person hauntings submitted by the public, filed by country and picked apart politely in the comments.

Infinite shared canvas of plain text where anyone can type anywhere. Scroll far enough and you find things nobody meant you to read.

The Norwegian met office's forecast, famously accurate across Scandinavia and unusually calm about admitting uncertainty everywhere else.

Piles combining diacritics onto every character until your text bleeds into the lines above and below it.

Draw mirrors and walls, then let a raytracer slowly paint the light bouncing between them until the image resolves.

The same deep management sim rebuilt for American football, baseball and hockey, all free and all running in the browser.

Two minutes of mental arithmetic at whatever difficulty you set, boiled down to a single number. Trading desks drill on this one.

You can do anything at Zombo.com. The welcome message has been loading since 1999 and it has never once explained itself.

Gather resources by day, build a base, then watch the zombie wave test every wall you decided to skimp on.

Top-down battle royale for a hundred players with a full match inside five minutes, no download and no launcher to update.

Newborn animals from zoos and aquariums worldwide, with their names, weights and the keepers' notes attached.

Satellite imagery refreshed through the day, with storm tracks, wildfire hotspots and rainfall radar layered over the top of it.

Feeds your own video call bad audio — echo, crying baby, wind — until everyone agrees the connection is the problem.

The sequel quilt, darker and stranger than the first, still folding into itself with no end and no explanation.

Real research that needs human eyes: classify galaxies, transcribe ships' logs or count penguins, and end up in a published paper.

A space shooter where you destroy incoming words by typing them, and rising panic is the entire difficulty curve.