Advent of Code
FeaturedFreeAn annual calendar of programming puzzles, with past years still open to solve
Best for puzzles · programming · calendar
Strengths
- Daily puzzles
- Past year archives
Skip if
you need a team plan, audit logs, or a phone number to call
Advent of Code is a yearly puzzle calendar. Solve a programming challenge each December day, and replay any past year — a classroom, not a homework dump.
Key features
- Daily puzzles
- Past year archives
- Private leaderboards
- Any language
Why it is on Toolora
We list Advent of Code for people who need puzzles · programming · calendar. Skip it if you need a team plan, audit logs, or a phone number to call.
Closest alternatives on Toolora: Project Euler, IXL, Exercism.
Try instead
CompareProject Euler
A series of computational math problems you solve by writing a program
Education & LearningAlso built for puzzles.
IXL
K–12 practice in math, English, and science with skill plans teachers assign
Education & LearningMore polished / supported, if you will pay.
Exercism
Practice 80+ programming languages with exercises and optional mentoring
Education & LearningAlso built for practice.
Advent of Code
Free; optional donations a…