$ ctf42

Challenges

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

Challenge CTF Weight Category Has
Stupidcontract GPN 2026 – Reverse files
3d_maze GreyCatTheFlag 2026 Quals – Reverse files
ghidra_gangster_edition GreyCatTheFlag 2026 Quals – Reverse files
lights_out GreyCatTheFlag 2026 Quals – Reverse files
my_greycat GreyCatTheFlag 2026 Quals – Reverse files
spidr GreyCatTheFlag 2026 Quals – Reverse files
Ghaat_MIrage Kashi 2026 21.78 Reverse files
MUSIC_for_Life Kashi 2026 21.78 Reverse files
TBA_2 Kashi 2026 21.78 Reverse files
E4sy_P3asy KnightCTF 2026 22.21 Reverse files
KrackM3 KnightCTF 2026 22.21 Reverse files
ReM3 KnightCTF 2026 22.21 Reverse files
ReM3_Again KnightCTF 2026 22.21 Reverse files
Drippy_Adventures L3akCTF 2026 34.47 Reverse files
Omega L3akCTF 2026 34.47 Reverse files
Subleq_Scramble L3akCTF 2026 34.47 Reverse files
What_Who L3akCTF 2026 34.47 Reverse files
Yet_Another_Chat L3akCTF 2026 34.47 Reverse files
buzzword L3akCTF 2026 34.47 Reverse files
helm_hell LA 2026 – Reverse files
lactf_1986 LA 2026 – Reverse files
ooo LA 2026 – Reverse files
reflection LA 2026 – Reverse files
starless_c LA 2026 – Reverse files
the_fish LA 2026 – Reverse files
the_three_sat_problem LA 2026 – Reverse files
Control_Freak_3 LYKNCTF 2026 – Reverse files
Cr4ck_1 LYKNCTF 2026 – Reverse files
Cr4ck_2 LYKNCTF 2026 – Reverse files
Cr4ck_3 LYKNCTF 2026 – Reverse files
Inferior_Student LYKNCTF 2026 – Reverse files
Flag_Transfer_Protocol LagNCrash 2026 25.00 Reverse files
effc LagNCrash 2026 25.00 Reverse files
got_or_not LagNCrash 2026 25.00 Reverse files
infohazard LagNCrash 2026 25.00 Reverse files
lets_go LagNCrash 2026 25.00 Reverse files
binary_exploitation LexingtonInformaticsTournament 2026 84.79 Reverse files
cellular_automaton LexingtonInformaticsTournament 2026 84.79 Reverse files
pathfinder LexingtonInformaticsTournament 2026 84.79 Reverse files
sequence_lock LexingtonInformaticsTournament 2026 84.79 Reverse files