$ ctf42

Challenges

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

Challenge CTF Weight Category Has
DroneGuesser_I ECW 2025 Quals – OSINT files
DroneGuesser_II ECW 2025 Quals – OSINT files
DroneGuesser_III ECW 2025 Quals – OSINT files
Its_a_sign ECW 2025 Quals – OSINT files
Larrys_enigmas ECW 2025 Quals – OSINT files
WhosDatCat ECW 2025 Quals – OSINT files
Bored_Waiting EnigmaXplore 2025 – OSINT files
Doors_will_open_on_the_left EnigmaXplore 2025 – OSINT files
Lights_out_and_here_we_go EnigmaXplore 2025 – OSINT files
Top_Gun EnigmaXplore 2025 – OSINT files
EXIT FullWeakEngineer 2025 24.60 OSINT files
GeoGuessr1 FullWeakEngineer 2025 24.60 OSINT files
GeoGuessr2 FullWeakEngineer 2025 24.60 OSINT files
GeoGuessr3 FullWeakEngineer 2025 24.60 OSINT files
GeoGuessr4 FullWeakEngineer 2025 24.60 OSINT files
MYAKUMYAKU_TOWER FullWeakEngineer 2025 24.60 OSINT files
Osaka_Expo_Pavilion_Quizi FullWeakEngineer 2025 24.60 OSINT files
git_predator FullWeakEngineer 2025 24.60 OSINT files
A_Walk_In_The_Park GreyCatTheFlag 2025 32.92 OSINT files
By_The_Banana_Tree GreyCatTheFlag 2025 32.92 OSINT files
High_Rise H7CTF 2025 22.56 OSINT files
AC_Hell HaixlaChapelle 2025 – OSINT files
Cool_Lamppost HaixlaChapelle 2025 – OSINT files
Tiny_Blahaj_lost_and_looking_for_help HaixlaChapelle 2025 – OSINT files
Checking Out of Winter IrisCTF 2025 34.30 OSINT files src
Da JerseyCTF 2025 24.73 OSINT files
Here_I_Stood JerseyCTF 2025 24.73 OSINT files
Layers_and_Layers JerseyCTF 2025 24.73 OSINT files
Pie_in_the_Sky JerseyCTF 2025 24.73 OSINT files
Simon_and_the_Whale JerseyCTF 2025 24.73 OSINT files
Th3_F1v3_P01nt_Chas3 JerseyCTF 2025 24.73 OSINT files
Where_Am_I JerseyCTF 2025 24.73 OSINT files
A_friend_of_yours_says_hello Junior.Crypt 2025 23.13 OSINT files
Authors_autograph Junior.Crypt 2025 23.13 OSINT files
Center_of_Europe Junior.Crypt 2025 23.13 OSINT files
Chess_in_the_fog Junior.Crypt 2025 23.13 OSINT files
History_of_the_university Junior.Crypt 2025 23.13 OSINT files
Hollywood Junior.Crypt 2025 23.13 OSINT files
Name_of_the_stone Junior.Crypt 2025 23.13 OSINT files
No_drones_yet Junior.Crypt 2025 23.13 OSINT files