$ ctf42

Challenges

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

Challenge CTF Weight Category Has
a_3d_world squ1rrel 2026 32.47 Misc files
b2b squ1rrel 2026 32.47 Pwn files
echo squ1rrel 2026 32.47 Pwn files
flat_earth_2 squ1rrel 2026 32.47 Crypto files
gitting_the_secret squ1rrel 2026 32.47 Misc files
hackersBOTted squ1rrel 2026 32.47 Web files
lorem_ipsum squ1rrel 2026 32.47 Misc files
no_p_cap squ1rrel 2026 32.47 Misc files
penpal squ1rrel 2026 32.47 Web files
rails squ1rrel 2026 32.47 Web files
reed_resonance squ1rrel 2026 32.47 Reverse files
rev_There_are_always_people_better_than_you_and_theres_always_something_beyond_your_understanding. squ1rrel 2026 32.47 Reverse files
rsa squ1rrel 2026 32.47 Crypto files
save_the_tower squ1rrel 2026 32.47 Misc files
yolo squ1rrel 2026 32.47 Pwn files
Crazy_FSOP AmateursCTF 2025 – Pwn files
Devil_Net_v2 AmateursCTF 2025 – Web files
Easy_Bof AmateursCTF 2025 – Pwn files
GPT AmateursCTF 2025 – Misc files
Orange_Skies AmateursCTF 2025 – Web files
Purely_Orange_Skies AmateursCTF 2025 – Web files
Rewrite_It_In_Zig AmateursCTF 2025 – Pwn files
Ripples_of_Past_Reverie AmateursCTF 2025 – Web files
Unexpected AmateursCTF 2025 – Pwn files
Uwa_so_Piano AmateursCTF 2025 – Misc files
addition AmateursCTF 2025 – Crypto files
addition_2 AmateursCTF 2025 – Crypto files
addition_3 AmateursCTF 2025 – Crypto files
aescure AmateursCTF 2025 – Crypto files
always_stego AmateursCTF 2025 – Misc files
based AmateursCTF 2025 – Misc files
blessed AmateursCTF 2025 – Web files
desafe AmateursCTF 2025 – Web files
division AmateursCTF 2025 – Crypto files
floor_is_lava AmateursCTF 2025 – Reverse files
functioning AmateursCTF 2025 – Reverse files
guessctf AmateursCTF 2025 – Misc files
normal_java_code AmateursCTF 2025 – Reverse files
snake AmateursCTF 2025 – Misc files
triangulate AmateursCTF 2025 – Crypto files