$ ctf42

Challenges

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

719 challenges · browse all techniques

Challenge CTF Weight Category Has
corrupted THEMCTF 2026 – Misc files
eyes_chico THEMCTF 2026 – Reverse files
future_diary_revisited THEMCTF 2026 – Pwn files
gearbox THEMCTF 2026 – Crypto files
kanye THEMCTF 2026 – Misc files
meh THEMCTF 2026 – Web files
n0t_L1c3ns3 THEMCTF 2026 – Reverse files
neural_link THEMCTF 2026 – Pwn files
onion_onion_onion THEMCTF 2026 – Misc files
past_diary THEMCTF 2026 – Pwn files
phantom THEMCTF 2026 – Pwn files
pixel_drift THEMCTF 2026 – Forensics files
question_exclamation THEMCTF 2026 – Reverse files
warm_up THEMCTF 2026 – Pwn files
well_well_well THEMCTF 2026 – Forensics files
Air_Smeller CSCG 2025 – Web files
Everyone_loves_canteen_food CSCG 2025 – Web files
Flag_Service CSCG 2025 – Crypto files
GRID_WAVE CSCG 2025 – Reverse files
Intro_Crypto_1 CSCG 2025 – Crypto files
Intro_Crypto_2 CSCG 2025 – Crypto files
Intro_Crypto_3 CSCG 2025 – Crypto files
Intro_Forensics_1 CSCG 2025 – Forensics files
Intro_Forensics_2 CSCG 2025 – Forensics files
Intro_Forensics_3 CSCG 2025 – Forensics files
Intro_Reverse_Engineering_1 CSCG 2025 – Reverse files
Intro_Reverse_Engineering_2 CSCG 2025 – Reverse files
Intro_Reverse_Engineering_3 CSCG 2025 – Reverse files
Intro_to_PWN_1 CSCG 2025 – Pwn files
Intro_to_PWN_2 CSCG 2025 – Pwn files
Intro_to_PWN_3 CSCG 2025 – Pwn files
Nokia_is_calling CSCG 2025 – Misc files
Skullcode CSCG 2025 – Reverse files
TUNichtgut CSCG 2025 – Pwn files
crackme.nix CSCG 2025 – Reverse files
vidplow CSCG 2025 – Web files
zero_anonymity CSCG 2025 – Crypto files
Check_This_Out GPN 2025 – Misc files
CustomDice GPN 2025 – Reverse files
Free_Parking_Network GPN 2025 – Web files