$ ctf42

Challenges

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Higher weight ≈ harder, more prestigious event.
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7364 challenges · browse all techniques

Challenge CTF Weight Category Has
Polly_the_Parrot Bearcat 2026 – Misc files
River_Raiders Bearcat 2026 – OSINT files
Sea_Story Bearcat 2026 – Pwn files
Secret_Spyglass Bearcat 2026 – Pwn files
The_Crew_Ledger Bearcat 2026 – Forensics files
The_Plank Bearcat 2026 – Reverse files
Treasure_Hunt_1_Message_in_a_Bottle Bearcat 2026 – Crypto files
Treasure_Hunter Bearcat 2026 – Pwn files
Unknown_Transmission Bearcat 2026 – Forensics files
Whats_a_Pirates_Favorite_Programming_Language Bearcat 2026 – Reverse files
2Blue2Hen BlueHens 2026 44.77 Misc files
2d_to_3d BlueHens 2026 44.77 Misc files
3_words BlueHens 2026 44.77 OSINT files
A_Logical_Decuction BlueHens 2026 44.77 Reverse files
Basics BlueHens 2026 44.77 Forensics files
Blind_Hens BlueHens 2026 44.77 Misc files
Blue_Hens_Telemetry BlueHens 2026 44.77 Forensics files
Freakquency BlueHens 2026 44.77 Forensics files
Glasses_1_NOTE BlueHens 2026 44.77 OSINT files
Glasses_2 BlueHens 2026 44.77 OSINT files
Hell_is_haard BlueHens 2026 44.77 Crypto files
Hens_can_type BlueHens 2026 44.77 Forensics files
KeyCraft_1 BlueHens 2026 44.77 Misc files
KeyCraft_Sanity_Test BlueHens 2026 44.77 Misc files
Lock_and_Key BlueHens 2026 44.77 Misc files
Logical BlueHens 2026 44.77 Reverse files
Looking_Down BlueHens 2026 44.77 Misc files
Name_Calling BlueHens 2026 44.77 Forensics files
Storytime BlueHens 2026 44.77 Misc files
Temporal BlueHens 2026 44.77 Pwn files
The_hungry_Catipillar BlueHens 2026 44.77 OSINT files
awk...wardddd_scissors BlueHens 2026 44.77 Forensics files
bawker BlueHens 2026 44.77 Web files
red_circle_ear_ing BlueHens 2026 44.77 Forensics files
screengrab BlueHens 2026 44.77 Web files
64_is_life BoroCTF 2026 – Misc files
AI_Slop BoroCTF 2026 – Misc files
A_basic_start BoroCTF 2026 – Crypto files
Am_I_Obsessed BoroCTF 2026 – OSINT files
Amazing BoroCTF 2026 – Reverse files