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    CPCTF

    3 editions·100 challenges·2024–2026

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

    2026

    37 challengesCTFtime

    crypto7

    1_0_7
    Anomaly_2
    Bitwise_Scrumble
    Dualcast
    mod_N_Janken
    Very_Exciting
    Yanken_Master

    forensic6

    Authorized_Whale
    digest
    Flag_in_Flags
    L0v3_PDF
    q
    Secret_Recipe

    misc5

    CPCTF_jail
    Damaged_Report
    Hello_LaTeX3
    QRRRRRRRRRR
    ssh2

    osint3

    IRIS_OUT
    Night_View
    PENGUIN

    pwn5

    Buffer_Visualizer
    Con
    Killionaire
    Product
    The_first_time_I_saw_the_product_it_was_a_product_that_made_it_into

    rev4

    Hidden
    Omikuji
    Out_of_World
    viGor

    web7

    CPCTF_Market
    Hidden_Recipe
    Lets_remove_the_script_tag.
    Physical_CTF
    tar_me
    Template_Playground
    Z

    2025

    35 challengesCTFtime

    crypto6

    Add_and_multiple
    Anomaly
    Heroic_Code
    One_More_PPC_Problem
    Prime_Tester
    RSA_Trial_2025

    forensic4

    Cached_LLM
    dark
    Event_analyze
    Golden_Protocol

    misc2

    correctionless
    Painting_Break

    osint4

    Bench
    Lethal
    Timetable
    yellow_train

    pwn6

    2025
    Flag_Guardian
    INTelligent
    tasks
    Useless_Agent
    Wrong_Password

    rev6

    boundaries
    Fortune_Teller
    Guessing
    Secret_Key
    VIP_room
    Whats_this

    shell3

    Chase_the_flagi
    Math_Test
    XFD

    web4

    Blend_Script
    Name_Omikuji
    String_Calculator
    Typst_Note

    2024

    28 challengesCTFtime

    crypto4

    AAAA
    CES
    RSA_Trial
    Substitution

    forensic3

    Register
    which_is_true_flag
    white_has_much_information

    misc3

    Forbidden_code_2
    Image_encryption
    turning_over

    osint7

    Dokoda
    Electric_Town
    Great_view
    leaving
    mokomoko
    omu_napo
    Patlite

    pwn3

    Attack_Attack_Win
    CPCT......
    The_skys_the_limit

    rev5

    black_box
    Just_reversing
    Number_Guesser
    peeping
    Power_down

    web3

    Lets_buy_some_array
    OGOGPGOGO
    Read_Novels
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