$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

296 challenges · browse all techniques

Challenge CTF Weight Category Has
Silicon_Dream_Micro_Cipher Codegate 2026 Quals – Reverse files
SimpleChat Codegate 2026 Quals – Pwn files
TinyIRC Codegate 2026 Quals – Pwn files
WelcomeFlag Codegate 2026 Quals – Misc files
aes5 Codegate 2026 Quals – Crypto files
chaWoW64 Codegate 2026 Quals – Pwn files
conero Codegate 2026 Quals – Blockchain files
gea1337 Codegate 2026 Quals – Crypto files
sealed_board Codegate 2026 Quals – Web files
C0D3Matr1x Codegate 2025 Quals – Reverse files
Chas_Point Codegate 2025 Quals – Web files
Container Codegate 2025 Quals – Pwn files
Hide_and_Seek Codegate 2025 Quals – Web files
Masquerade Codegate 2025 Quals – Web files
MemoService Codegate 2025 Quals – Web files
Physical Codegate 2025 Quals – Reverse files
Resonance Codegate 2025 Quals – Crypto files
Secret_Note Codegate 2025 Quals – Pwn files
These_Walls Codegate 2025 Quals – Crypto files
Todo_List Codegate 2025 Quals – Pwn files
ai Codegate 2025 Quals – Misc files
backoffice Codegate 2025 Quals – Web files
chas_ELF Codegate 2025 Quals – Reverse files
cython Codegate 2025 Quals – Pwn files
pew Codegate 2025 Quals – Pwn files
protoss_58 Codegate 2025 Quals – Reverse files
q_emu Codegate 2025 Quals – Reverse files
AKVC CyKor 2025 – Pwn files
Another_CyKorPath CyKor 2025 – Reverse files
DOP CyKor 2025 – Reverse files
ELWE CyKor 2025 – Crypto files
Gram CyKor 2025 – Pwn files
I_will_send_it_using_only_symbols. CyKor 2025 – Crypto files
I_will_send_it_using_only_symbols._ex CyKor 2025 – Crypto files
Jerrys_gift CyKor 2025 – Crypto files
Multi_Chain_Vault CyKor 2025 – Blockchain files
Random_Game CyKor 2025 – Blockchain files
Rock_Scissors_Paper CyKor 2025 – Crypto files
Safe_embed CyKor 2025 – Web files
baby_dino CyKor 2025 – Misc files