$ ctf42

E0F 2026

weight 25.00 CTFtime official repo

E0F CTF is a jeopardy-style CTF built entirely around reverse engineering — no web, pwn, or crypto. Just binaries, obfuscation, and crackmes across a full difficulty curve, from first-timers to seasoned reversers. Bring your favorite disassembler and see how deep you can go.

Flag format: e0f{...} Discord: https://discord.gg/QfBEHK67RY Also known as EOF CTF

Reverse 14

Challenge Has
Bit_Garden files
Black_Thunk files
Braided_Reality files
Exit_Interview files
Gopher_Carousel files
Hensel_and_Gretel files
NaN_Penguin_Cipher files
Neon_Casuality files
Parallex_Engine files
Phant0m_C4llb4ck files
Return_to_Sender files
Snake_Oil_Bytecode files
Token_Curtain files
Unwind_Me_Maybe files