$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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1001 challenges · browse all techniques

Challenge CTF Weight Category Has
Flag_in_Flags CPCTF 2026 – Forensics files
Hello_LaTeX3 CPCTF 2026 – Misc files
Hidden CPCTF 2026 – Reverse files
Hidden_Recipe CPCTF 2026 – Web files
IRIS_OUT CPCTF 2026 – OSINT files
Killionaire CPCTF 2026 – Pwn files
L0v3_PDF CPCTF 2026 – Forensics files
Lets_remove_the_script_tag. CPCTF 2026 – Web files
Night_View CPCTF 2026 – OSINT files
Omikuji CPCTF 2026 – Reverse files
Out_of_World CPCTF 2026 – Reverse files
PENGUIN CPCTF 2026 – OSINT files
Physical_CTF CPCTF 2026 – Web files
Product CPCTF 2026 – Pwn files
QRRRRRRRRRR CPCTF 2026 – Misc files
Secret_Recipe CPCTF 2026 – Forensics files
Template_Playground CPCTF 2026 – Web files
The_first_time_I_saw_the_product_it_was_a_product_that_made_it_into CPCTF 2026 – Pwn files
Very_Exciting CPCTF 2026 – Crypto files
Yanken_Master CPCTF 2026 – Crypto files
Z CPCTF 2026 – Web files
digest CPCTF 2026 – Forensics files
mod_N_Janken CPCTF 2026 – Crypto files
q CPCTF 2026 – Forensics files
ssh2 CPCTF 2026 – Misc files
tar_me CPCTF 2026 – Web files
viGor CPCTF 2026 – Reverse files
Equivalent_Privacy_Wired AlpacaHack 2025 – Crypto files
RSAMPC AlpacaHack 2025 – Crypto files
addprimes AlpacaHack 2025 – Crypto files
ffmac AlpacaHack 2025 – Crypto files
2025 CPCTF 2025 – Pwn files
Add_and_multiple CPCTF 2025 – Crypto files
Anomaly CPCTF 2025 – Crypto files
Bench CPCTF 2025 – OSINT files
Blend_Script CPCTF 2025 – Web files
Cached_LLM CPCTF 2025 – Forensics files
Event_analyze CPCTF 2025 – Forensics files
Flag_Guardian CPCTF 2025 – Pwn files
Fortune_Teller CPCTF 2025 – Reverse files