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    justCTF

    6 editions·105 challenges·2019–2025

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    202520242023202220212019
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    2025

    26 challengesCTFtime

    blockchain3

    Otternaut_Exodus
    Otternaut_Launch
    Otternaut_Syndicate

    crypto2

    Casino
    HTTP_Signing

    misc5

    Baby_Audio
    Baby_SUID
    PyEvaline_crimes
    QSecureByRejection
    Satellite

    pwn5

    Baby_Heap
    jCTFcoin
    prospector
    shellcode_printer
    tape

    rev5

    6pack
    baby_goes_re
    java
    Satellite
    slowrun

    web6

    Busy_Traffic
    Notes
    Positive_Players
    Simple_Tasks
    Ticket_Master
    Vault_Tec

    2024

    24 challenges

    Quals blockchain3

    Dark_BrOTTERhood
    The_Otter_Scrolls
    World_of_Ottercraft

    Quals crypto3

    Duality
    interlock
    Reverse_Cryptographing

    Quals forensic2

    Baby_SoC
    Budget_SoC

    Quals misc3

    Casino
    leaving_soon
    yapj

    Quals pwn4

    Blu_Ray_of_Death
    interlock
    q3vm
    yapj

    Quals rev3

    Cursed_Protocol
    just_TV
    Star

    Quals web6

    Another_Another_CSP
    Bypass_Backlash_Route_Exploration
    Casino
    justPocketTheBase
    Letters
    Piggy

    2023

    27 challengesCTFtime

    crypto2

    Multi_Auth
    Vaulted

    misc1

    Vaulted

    pwn9

    Baby_Otter
    Mystery_locker
    notabug
    notabug2
    nucleus
    PyPlugins
    Tic_Tac_PWN
    Welcome_in_my_house
    Windytooth

    rev5

    manGO
    nvm
    Rustberry
    thiefcat
    Trial_of_Bugs

    web10

    almost_finished
    almost_finished2
    Aquatic_Delights
    Dangerous
    Easy_Cloud_Auth
    ESSAMTP
    eXtra_Safe_Security_layers
    Perfect_Product
    Phantom
    Safeblog

    2022

    13 challengesCTFtime

    crypto2

    Frosty
    fROStysSecondSignatureScheme

    misc1

    rev

    pwn7

    arm
    DarkSOLs
    herpetology
    LeagueOfLamports
    Monsters
    Notes
    Skilltest

    web3

    BabyXSLeak
    GoBucket
    Ninja

    2021

    11 challengesCTFtime

    crypto2

    25519
    Oracles

    pwn2

    PainterHell
    qmail

    rev6

    ABNF_grammar_is_fun
    debug_me_if_you_can
    reklest
    REmap
    Rusty
    that_is_not_crypto

    web1

    Go-fs

    2019

    4 challengesCTFtime

    misc4

    ATM_service
    Phonebook
    Safe_notes
    Shellcode_Executor_PRO
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