gaslightCTF 2026

gaslightCTF is a jeopardy-style CTF both for complete beginners and more advanced players open to everyone. gaslightCTF is hosted by a team of UK secondary school students.

Players may participate in teams of up to five members. Teams may belong to the following divisions: Secondary School, University, and Open.

Find out more on our website: https://gaslightctf.cooking/

New to CTFs? Check out https://primer.picoctf.org/ for a beginners guide!

Thank you to our sponsors for making this event possible!

- Trail of Bits https://trailofbits.com/

- OtterSec https://osec.io/

Join our discord: https://discord.gg/6nGCQcasP6

Official URL: https://gaslightctf.cooking/

CTFtime URL: https://ctftime.org/event/3181/

Official prize text: Secondary School Division:

- 1st: $200

- 2nd: $100

- 3rd: $50

- 4th-8th: $25

University Division:

- 1st: $200

- 2nd: $100

- 3rd: $50

Open Division:

- 1st: $100

Writeup Prizes: $25