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    3 editions·49 challenges·2020–2025

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    202520212020
    Average—/5Vote and rate each challenge below.

    2025

    10 challenges

    crypto2

    Electronic_Christmas_Book
    ShaNOISEmir

    forensic1

    Hunt_and_Peck

    misc1

    Perl_Poetry

    osint1

    Gift_Hunt

    pwn2

    Santas_Christmas_Calculator
    Satellite_Command

    rev2

    Opermutated
    Steal_The_Xmas

    web1

    Gigs

    2021

    30 challengesCTFtime

    crypto10

    A_to_Z
    Company_Picnic
    hide_and_seek_the_flag
    Ransomware_Patch
    Size_Matters
    Sugar_Spice_and_Sweet1986Spice
    Thnks_fr_th_Pwds
    Two_Key_Crypto
    Unbreakable_Encryption
    Wrong_Way_on_a_One_Way_Street

    pwn13

    An_Attempt_Was_Made
    DOS_Protection
    Filters
    hookless
    Houses_Or_Something
    INTerruption
    Little_Boi
    Sequential_Shellcode
    Simple_Format
    Simple_Format_Returned
    tic_tac_toe
    two_compliment
    unionized

    rev5

    Far_From_The_Weakest_Shell
    Getting_Darryl_Back
    I_Hate_Python
    Revvy_Chevy
    There_Are_No_Strings_on_Me

    web2

    Custom_Blog
    Yummy_Vegetables

    2020

    9 challengesCTFtime

    misc9

    baffling_buffer_0
    baffling_buffer_1
    baffling_buffer_2
    dmz_firewall
    doublenote
    executor-arm
    mining_hero
    pgm_image_viewer
    steg_as_a_service
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