The long-running [1]Advent of Code site just entered its 10th year, with 162,809 people completing both of its Day One puzzles (which involve a hunt for the missing historian of the North Pole). But its not the only site offering Christmas-themed programming puzzles:

Hundreds of SQL lovers are trying the daily challenges from the " [2]Advent of SQL" site .

You can sign up for daily emails with webdev challenges from the [3]Advent of JavaScript and [4]Advent of CSS sites.

The " [5]Advent of No-Code" site challenges you to build something new every day using no-code tools like AI-powered dev environments or the social coding site Val Town.

[6]TryHackMe.com is publishing "beginner-friendly, daily gamified cyber security challenges" in an event they're calling the "Advent of Cyber."

And Norway's biggest chess club (founded by world champion Magnus Carlsen) has even launched a site with daily chess puzzles called — what else? — [7]Advent of Chess . (It promises at the end of the event someone will win a chessboard signed by Magnus Carlsen).



[1] https://adventofcode.com/

[2] https://adventofsql.com/

[3] https://www.adventofjs.com/

[4] https://www.adventofcss.com/

[5] https://www.adventofnocode.io/

[6] https://tryhackme.com/r/christmas

[7] https://adventofchess.com/