LA CTF 2026

Don't run out of time.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: freed

Don't feel like writing a plaintext...

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

Finally got the energy to write a trigram substitution cipher. Surely three shuffles are better than one!

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

One must imagine sisyphus happy.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: freed

When bro uses RSA encryption to talk crap behind my back but I lowkenuinely just factor his public key because I know he picked [67]* as his primes.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: AVDestroyer

LA CTF will take place on Feburary 6 and Feburary 7, 2026.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: AVDestroyer

I found a hoyoverse claw machine out in the wild. You should play it a lot and give me it all your moneys.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: r2uwu2

Surely everyone knows the difference between the Cyrillic small letter o, the Greek small letter omicron, and the Latin small letter o, right? :)

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: k

The son of the fortune-teller stands before three doors. A bee. A key. A flag.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: aplet123

The fish asks you for the flag. Unfortunately, it can only describe it in its own words.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm

Dug around the archives and found a floppy disk containing a long-forgotten LA CTF challenge. Perhaps you may be the first to solve it in decades.

Use flagCheck to input the flag you get from the challenge to get the actual flag

Author: pstorm