$ 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
Omikuji CPCTF 2026 – Reverse files
Out_of_World CPCTF 2026 – Reverse files
viGor CPCTF 2026 – Reverse files
Connivance CSCG 2026 – Reverse files
GO_Backup CSCG 2026 – Reverse files
Gloomweaver CSCG 2026 – Reverse files
Intro_Reverse_Engineering_1 CSCG 2026 – Reverse files
Intro_Reverse_Engineering_2 CSCG 2026 – Reverse files
Path_of_the_Blacksmith CSCG 2026 – Reverse files
mystical CSCG 2026 – Reverse files
Another_One CTF@AC 2026 Quals – Reverse files
babydroid CTF@AC 2026 Quals – Reverse files
firmware_whisper CTF@AC 2026 Quals – Reverse files
Cereal_Killer_01 DEADFACE 2026 – Reverse files
Cereal_Killer_02 DEADFACE 2026 – Reverse files
Cereal_Killer_03 DEADFACE 2026 – Reverse files
It_But_A_Wee_Bit_Reverse DEADFACE 2026 – Reverse files
Baby_Android DalCTF 2026 24.90 Reverse files
Bit_Miner DalCTF 2026 24.90 Reverse files
Do_you_know_the_way DalCTF 2026 24.90 Reverse files
Haskell2 DalCTF 2026 24.90 Reverse files
Cheater_Cheater... DawgCTF 2026 66.64 Reverse files
Checkmate_Liver_King DawgCTF 2026 66.64 Reverse files
Dust_to_Dust DawgCTF 2026 66.64 Reverse files
Machine_Learnding DawgCTF 2026 66.64 Reverse files
another_onion DiceCTF 2026 Quals 100.00 Reverse files
bedtime DiceCTF 2026 Quals 100.00 Reverse files
explorer DiceCTF 2026 Quals 100.00 Reverse files
interpreter_required DiceCTF 2026 Quals 100.00 Reverse files
locked_in DiceCTF 2026 Quals 100.00 Reverse files
Baby_Rev FortID 2026 45.00 Reverse files
Checksum FortID 2026 45.00 Reverse files
Crypto_Wallet FortID 2026 45.00 Reverse files
Cubism FortID 2026 45.00 Reverse files
Meteor_Shower FortID 2026 45.00 Reverse files
Paint_me_a_Flag FortID 2026 45.00 Reverse files
Auto_Cooker GPN 2026 – Reverse files
Konigsberg_Delivery_Problem GPN 2026 – Reverse files
My_favorite_ingredient GPN 2026 – Reverse files
SpecCTF GPN 2026 – Reverse files