$ ctf42

🇺🇸 LexingtonInformaticsTournament

by LIT CTF 🇺🇸 United States CTFtime flag format LITCTF{...}

Lexington Informatics Tournament CTF 2026 is a Jeopardy-style, beginner-friendly online CTF that's open to everyone. It is hosted by members of the LexMACS club from Lexington High School with the help of some amazing guest writers. You may form teams of up to 3 contestants!

Current and Past Sponsors: Infra sponsored by goo.gle/ctfsponsorship Non-Trivial Algoverse SPARC AoPS Texas Instruments RSM OtterSec X-Camp Trail of Bits Wolfram MIT Beaver Works Interview Cake .xyz Zulip

For more information, visit our website at https://lit.lhsmathcs.org/ You can also join our Discord server https://discord.gg/k6yzFdZ

Archived challenges by category

Editions

EditionWeight WebPwnReverseCryptoMisc Total
2026 84.79 ·6487 25
2025 67.32 89687 38
2024 46.25 28354 22
2023 33.53 11771210 47
2022 23.87 8988· 33
2021 23.87 411810· 33