CTF Archives
    GitHub
    All CTFs

    L3akCTF

    3 editions·151 challenges·2024–2026

    View on GitHub
    202620252024
    Average—/5Vote and rate each challenge below.

    2026

    50 challengesCTFtime

    crypto9

    1+1_3
    A_Fine_Product
    BabyLCG
    CSC265
    Immiscible
    Keysmith
    po1337nomial_revenge
    RSA_Eclipse
    spn

    forensic4

    Precise
    Transcendent_Renovation
    You_Scanned_HOW
    You_Scanned_WHAT

    hw4

    BabyRF
    Hardware_is_a_Scam
    Software_is_a_Scam
    Spectre

    misc10

    Blunder
    Get_The_Flag
    Is_RestrictedPython_Actually_Restricted
    Lossy_QR
    me_fr
    Photo_Message
    reading_is_hard_part_1
    reading_is_hard_part_2
    ricochet_robots
    wordle

    pwn7

    Bosh
    LattiaVM
    LattiaVM_2
    Piet
    Piet_2
    Rudimentary_Calculator
    Supervisor

    rev6

    buzzword
    Drippy_Adventures
    Omega
    Subleq_Scramble
    What_Who
    Yet_Another_Chat

    web10

    catvault_part_1
    catvault_part_2
    L3aky_Canvas
    ml_platform
    Side_Channel_Surfer
    squid
    SVG
    workerboard_part_1
    workerboard_part_2
    Zebda

    2025

    54 challengesCTFtime

    crypto14

    Basic_LLL
    Cat_Whisperer
    Dual_MT_DRBG
    Dumber
    Hash_in_a_Haystack
    Lowkey_RSA
    Magical_Oracle
    Mersenne_Mayhem
    Mildly_Disastrous_5ecurity
    Rule_Breaker_1
    Rule_Breaker_2
    Secret2
    Shiro_Hero
    Skill_Diff

    forensic6

    BOMbardino_crocodile
    Breadcrumbs
    Ghost_In_The_Dark
    Invisible
    L3ak_Advanced_Defenders
    Wi_Fight_A_Ghost

    hw2

    Beneath_the_Surface
    Strange_Transmission

    misc3

    Math_as_a_Service
    RNJail
    Whitespace

    mobile4

    Androbro
    Apkocalypse
    BrainCalc
    PricelessL3ak

    pwn7

    Chunky_Threads
    cosmofile
    Go_Write_Where
    Notes++
    Safe_Gets
    SShEllcode
    The_Goose

    rev10

    Alpha
    babyRev
    Face_ID
    Flagdle
    I_Did_a_Thing
    Just_Bun_It
    Math_Is_Key
    pacman
    Quantam_Exfil
    Useless_VM

    web8

    Certay
    certay_revenge
    DNS_Frenzy
    Flag_L3ak
    FlagGuessr
    GitBad
    NotoriousNote
    Window_of_Opportunity

    2024

    47 challengesCTFtime

    crypto7

    Crypto_on_the_rocks
    Matrix_Magic
    Paillien_Tourist
    Quantum_L3ak
    Really_Simple_Algorithm
    Related
    RSAnt

    forensic7

    AiR
    Do_It_Dynamically
    HoldOnTight
    Impostor
    Pixelated
    raven
    The_Spy

    hw6

    Celestial
    Communication_Gateway
    eXORbitant
    Layout
    Not_my_Fault
    VHDLCG

    misc6

    Aztecs
    Fire_Checker
    Magic_Trick
    Missing
    PySysMagic
    Square_Game

    pwn7

    chonccfile
    oorrww
    oorrww_revenge
    pors
    pwnoodle
    Real_VM
    xen

    rev7

    Angry
    Anti
    CC
    CC_Revenge
    coolVM
    Hidden
    Wires

    web7

    BatBot
    bbsqli
    Im_not_the_CEO
    Im_the_CEO
    KrySS2.0
    PEPE
    Simple_calculator
    CTF Archivessource