LexingtonInformaticsTournament 2025
Lexington Informatics Tournament CTF 2025 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!
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
Web 8
| Challenge | Has |
|---|---|
| file_viewer | files |
| file_viewer_2 | files |
| flag_auction | files |
| group_chat | files |
| group_chat_2 | files |
| my_first_website | files |
| tabled | files |
| worlds_hardest_quiz | files |
Pwn 9
| Challenge | Has |
|---|---|
| distilled_printf | files |
| flippin_printf | files |
| impossible_string_challenge | files |
| l1t_x00n3wsAAAAAAApp_n | files |
| no_nonsense | files |
| note | files |
| permutation | files |
| stillest_printf | files |
| the_mound | files |
Reverse 6
| Challenge | Has |
|---|---|
| LIT_Newsapp | files |
| aahhi | files |
| jailpy3 | files |
| kaizo_brackeys | files |
| mergesort | files |
| oops | files |
Crypto 8
| Challenge | Has |
|---|---|
| cubic_shuffle | files |
| encryption_two_ways | files |
| im_lagging | files |
| lcgcg | files |
| one_hint | files |
| plug_and_chug | files |
| rng5050 | files |
| signs | files |
Misc 7
| Challenge | Has |
|---|---|
| Cool_New_Fonti | files |
| Languages1 | files |
| exif | files |
| flag_printer_revisited | files |
| geoguessr1 | files |
| name | files |
| name_2 | files |