$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
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4044 challenges · browse all techniques

Challenge CTF Weight Category Has
CUR53D_ENTR0PY Securinets 2026 Quals 85.12 Reverse files
Encrypt Securinets 2026 Quals 85.12 Reverse files
NightFall Securinets 2026 Quals 85.12 Reverse files
OM3GA Securinets 2026 Quals 85.12 Reverse files
letmethink Securinets 2026 Quals 85.12 Reverse files
revenant Securinets 2026 Quals 85.12 Reverse files
Chibile SekaiCTF 2026 79.25 Reverse files
Artistic_warmup Srdnlen 2026 Quals 34.76 Reverse files
Cornflake_v3.5 Srdnlen 2026 Quals 34.76 Reverse files
Dantes_Trial Srdnlen 2026 Quals 34.76 Reverse files
Rev_Juice Srdnlen 2026 Quals 34.76 Reverse files
FlameOn SunshineCTF 2026 51.63 Reverse files
IntMod SunshineCTF 2026 51.63 Reverse files
RoboCall SunshineCTF 2026 51.63 Reverse files
Nucleus TAMUctf 2026 – Reverse files
Sun_Temple TAMUctf 2026 – Reverse files
War_Hymn TAMUctf 2026 – Reverse files
acidity TAMUctf 2026 – Reverse files
challenge7 TAMUctf 2026 – Reverse files
hyper_neighbor TAMUctf 2026 – Reverse files
kitchen_sink TAMUctf 2026 – Reverse files
skretch TAMUctf 2026 – Reverse files
Ancient_Signals THEMCTF 2026 – Reverse files
Calculation THEMCTF 2026 – Reverse files
Entropy_Core THEMCTF 2026 – Reverse files
Fusion THEMCTF 2026 – Reverse files
Good9 THEMCTF 2026 – Reverse files
Old_Cassette THEMCTF 2026 – Reverse files
Petty THEMCTF 2026 – Reverse files
STUPID THEMCTF 2026 – Reverse files
colm THEMCTF 2026 – Reverse files
eyes_chico THEMCTF 2026 – Reverse files
n0t_L1c3ns3 THEMCTF 2026 – Reverse files
question_exclamation THEMCTF 2026 – Reverse files
404 THJCC 2026 Summer – Reverse files
Baby_Malware THJCC 2026 – Reverse files
Because_There_is_no_one_Make_Reverse_So_I_Create_This_Chal THJCC 2026 Summer – Reverse files
BlackFrost THJCC 2026 Summer – Reverse files
Fllllllag_ch3cker_again THJCC 2026 – Reverse files
License THJCC 2026 Summer – Reverse files