$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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7364 challenges · browse all techniques

Challenge CTF Weight Category Has
not_a_web_chal R3CTF 2025 54.67 Pwn files
ottol_r3pus R3CTF 2025 54.67 Crypto files
r3craft R3CTF 2025 54.67 Misc files
r3loads R3CTF 2025 54.67 Reverse files
r3loads2 R3CTF 2025 54.67 Reverse files
r3note R3CTF 2025 54.67 Web files
r3tauq R3CTF 2025 54.67 Crypto files
r4craft R3CTF 2025 54.67 Misc files
rollin R3CTF 2025 54.67 Reverse files
rosnake R3CTF 2025 54.67 Reverse files
soundless R3CTF 2025 54.67 Misc files
split3pig R3CTF 2025 54.67 Crypto files
A_Space_Odyssey RITSEC 2025 – Crypto files
Alien_Encryption_1 RITSEC 2025 – Crypto files
Alien_Encryption_101 RITSEC 2025 – Crypto files
Alien_Encryption_102 RITSEC 2025 – Crypto files
Aliens_Actually_Listen_To_This RITSEC 2025 – Forensics files
Aliens_First_Commit RITSEC 2025 – Misc files
Bit_Burger RITSEC 2025 – Pwn files
Cuwves_2_Electric_Boogaloo RITSEC 2025 – Crypto files
Extraterrestrial_Echelon RITSEC 2025 – Misc files
Hashmatch RITSEC 2025 – Pwn files
Leaky_ZKP RITSEC 2025 – Crypto files
Lunar_Lunacy RITSEC 2025 – Reverse files
Minesweeper RITSEC 2025 – Reverse files
Mothership RITSEC 2025 – Crypto files
Moving_Money RITSEC 2025 – Misc files
Noisy RITSEC 2025 – Reverse files
Rope RITSEC 2025 – Forensics files
Starship_Registration RITSEC 2025 – Pwn files
Stonks RITSEC 2025 – Web files
Strike_Team_Biometrics RITSEC 2025 – Misc files
UFO RITSEC 2025 – Misc files
Unconventional RITSEC 2025 – Reverse files
Upload_Issues RITSEC 2025 – Web files
Upload_Issues_2 RITSEC 2025 – Web files
Virtual_Mayhem RITSEC 2025 – Web files
Zogulon_Traces RITSEC 2025 – Reverse files
jail RITSEC 2025 – Misc files
Auction ScriptCTF 2025 – Blockchain files