Developer rebuilds Doom using only CSS and HTML, turning divs into a full 3D game engine

Leenheer is best known for creating HTML5test.com, the WhichBrowser user-agent parser. He began exploring a CSS-based Doom ...

Go play this secret game in your TikTok DMs

The game is available globally and can be accessed in both one-on-one DM chats and in group chats.

TikTok DMs have a hidden easter egg—and it’s no joke. How to find and play the secret emoji game

The social media app has quietly released a new feature in its messaging platform. If you don’t pay attention, you could miss it. There is a secret alligator emoji game hidden in your TikTok DMs. And ...

Teenagers and younger kids are learning coded predator phrases like ‘MAP’ online, long before their parents have even heard of it

When I checked my 10-year-old daughter’s TikTok messages in early February 2026, I expected to find the usual mix of dance ...

Students were skipping my astrophysics class to play video games – so I turned the class itself into a video game

When I was a teenager in the early 1980s, I realized the potential of using video games in education. The same high school ...