| 1 | madness | |
| =1 | Cribbage | |
| =1 | Little Miss Virtuals | St Augustines Catholic College |
| =1 | Frunobulax | |
| =1 | The Mengerists | |
| =1 | The Walrus Diet | |
| =1 | JCQ | |
| =1 | Kalicali | Sir Roger Manwood School |
| =1 | Team GummyBears 3.0 | Worcester Sixth Form College |
| =1 | V.I.N.N.I.E. | |
| =1 | CipherBot3000 | |
| =1 | Lorenz | Westminster School |
| =1 | Y10 Boys | |
| =1 | Smiley Hippo Codebreaking | |
| =1 | Tech Support | |
| =1 | A-Level Bangers | Poole High School |
| =1 | TheDigits | |
| =1 | That-Thrill-When-The-Readable-Text-Appears! | |
| =1 | Max and Jayden | Abingdon School |
| =1 | ThePewPewBattleship | |
| =1 | All For One | Wallington County Grammar School |
| =1 | the newton-leibniz controversy | finham park |
| =1 | TestSubject | |
| =1 | Jaffine | Ralph Allen School |
| =1 | Shocking V2 | |
| =1 | Break Codes Not Keyboards | Abingdon School |
| =1 | Chorlton Crackers | Chorlton High School |
| =1 | Gunn Cryptology Club | |
| =1 | Mod-Virus | Wallington County Grammar School |
| =1 | Chorlton Codebreakers | Chorlton High School |
| =1 | 0dividedby0 | |
| =1 | ADupthetotalCracks | Loughborough Grammar School |
| =1 | MCR | |
| =1 | One Slightly Larger Fish | |
| =1 | barney_87 | |
| =1 | Highway to HAL | |
| =1 | 10 types of people | Lady Eleanor Holles |
| =1 | Bishop Ramsey Hackers | Bishop Ramsey |
| =1 | Chorlton Year 7 | Chorlton High School |
| =1 | okay | The Halifax Academy |
| =1 | SMC Staff Team | |
| =1 | Elite Maths Clubbers | Gordano |
| =1 | EpicCheesyBalls | Yarm School |
| =1 | Onwards | South Wilts Grammar School |
| =1 | Oshawk | |
| =1 | WBGS Year 11 | |
| =1 | chiffre déchiffrable | George Watson’s College |
| =1 | Eggs | Tiffin School |
| =1 | THE MATES | |
| =1 | Eey, Pablo! | finham park |
| =1 | Hexadecimal Point | King Ecgbert School |
| =1 | A selection of nerds | Tiffin School |
| =1 | egg squad | Teignmouth Community School |
| =1 | Seccy Boiz | |
| =1 | Hakuna Matata | |
| =1 | Pythag-R-Us | Stockport Grammar School |
| =1 | “Pi”oneers | Queensmead |
| =1 | Kool Code Club | |
| =1 | ThompsonJ | King Edward VI Camp Hill School for Boys |
| =1 | OxCollCipher | |
| =1 | ug_team | Urmston Grammar School |
| =1 | Analysis Baseball Duck | Whitgift School |
| =1 | CH3CKM8 | Abingdon School |
| =1 | Beechen Cliff School | |
| =1 | Spitfire | Abingdon School |
| =1 | Intellect Devourers | King Edward VII School, Sheffield |
| =1 | Galaxy Hitchhikers | |
| =1 | Lowestoft Cipher Breakers | Ormiston Denes Academy |
| =1 | The Cribtologists | Durrington High School |
| =1 | Never trust orang gang gang | |
| =1 | The Cryptographical Whitgiftians | Whitgift School |
| =1 | Orion’s belt | Cleethorpes Academy |
| =1 | Code_Cracker | Ivybridge |
| =1 | Phoebe Overson | Teignmouth Community School |
| =1 | DCGS Teachers | |
| =1 | virus | |
| =1 | RandomTeamName | |
| =1 | Cathers | |
| =1 | yann2048 | |
| =1 | j a mills | Ysgol Dyffryn Aman |
| =1 | Don’t you mess with me, young’un, with your namby-pamby ciphers; I am the master of cryptanalysis! | Abingdon School |
| =1 | ThompsonJ | |
| =1 | ACSii coders X | Ashford School |
| =1 | Pineapple | The Manchester Grammar School |
| =1 | cipher-cutter | |
| =1 | Code Geeks | Dane Court Grammar School |
| =1 | pot noodle 2 | Northampton International Academy |
| =1 | EMILOU | |
| =1 | Geeffe | Ashford School |
| =1 | Nick Gurney | |
| =1 | Legati Imperii Romaniae | |
| =1 | Philip W Kimber | |
| =1 | Beat Boxing Grass Grazers S.I.X (Sipher Is Xciting) | |
| =1 | AI | |
| =1 | Enigma | |
| =1 | E.Z.P.Z.L.M.N.S.Q.I.Z. | |
| =1 | f6exb | |
| =1 | NotTeamCat | Matthew Arnold School |
| =1 | Brown’s Boys | |
| =1 | Hackermen | Bancroft’s School |
| =1 | danger noodle | |
| =1 | Z2V0X2hhY2tlZA== | |
| =1 | Poke Guy | Abingdon School |
| =1 | LennySquad | |
| =1 | _____________________________________________________________AlcesterY11__________ | |
| =1 | Booker and the Boneheads | |
| =1 | Team Rhubarb | Northampton International Academy |
| =1 | Monmouth Running Club (MRC) | Habs Monmouth School |
| =1 | The Enigmatists | |
| =1 | __Strawhats__ | Northampton International Academy |
| =1 | GMD | The Manchester Grammar School |
| =1 | Arthur Terry 2019 | |
| =1 | ReedsEnigma | Reed’s School |
| =1 | The Right Brothers | Thurston Community College |
| =1 | The Enigmagicians | Clitheroe Royal Grammar School |
| =1 | CAT | Notting Hill and Ealing High School |
| =1 | Zebra | Notting Hill and Ealing High School |
| =1 | Hard Breakers | |
| =1 | The Lemon Crew | Priestnall School |
| =1 | Robot Apocalypse Committee | Westminster School |
| =1 | AanyaNHEHS | Notting Hill and Ealing High School |
| =1 | RosieNHEHS | Notting Hill and Ealing High School |
| =1 | Empty Sylladex | Whitgift School |
| =1 | Idsall1 | Idsall |
| =1 | The Pandas | |
| =1 | RahelNHEHS:) | Notting Hill and Ealing High School |
| =1 | Fei Chang Deng | Fettes College |
| =1 | Dirk Bale’s Holistic Detective Agency | |
| =1 | James Philipson | |
| =1 | CCP | The Manchester Grammar School |
| =1 | Cipher Squad | Thorpe St Andrew School and Sixth Form |
| =1 | ______ | Concord College |
| =1 | BrotherOfAmgine | Cedars Upper School |
| =1 | C1PH3R | |
| =1 | Steam | |
| =1 | Thomas Telford School | |
| =1 | The Plebs | |
| =1 | 67105112104101114 | |
| =1 | PGS Supernova | |
| =1 | A-CODE-BROKEN | |
| =1 | TheLegend28 | Ipswich School |
| =1 | cesbws | |
| =1 | RHS-CIT | |
| =1 | ApplePi | Denmark Road High School |
| =1 | Mr Chendog | |
| =1 | The Golden Girls | Thorpe St Andrew School and Sixth Form |
| =1 | RHS-CIT-Team2 | |
| =1 | HBSCipherSolver! | |
| =1 | NumberCrunchers | King Edward’s School |
| =1 | GGS Maths Prefects | Gravesend Grammar School |
| =1 | ReesTest | Edgbaston High School |
| =1 | Team Rocket | St Switun’s School |
| =1 | The Raspberry Pi (GGS) | Gravesend Grammar School |
| =1 | __BishopLuffa | Bishop Luffa School |
| =1 | [hacked] | |
| =1 | can we get max to do any work this time? | The King’s School, Chester |
| =1 | ARS | Tiffin School |
| =1 | Middle Set | Royal Grammar School |
| =1 | Mrs McNamee hates orangutans | Heath School |
| =1 | Judd1 | The Judd School |
| =1 | Tau is the superior circle constant | Cedars Upper School |
| =1 | Crypt of Cats | |
| =1 | Kafka | |
| =1 | 404 | King Edward VI Grammar School |
| =1 | The Shifty Caesars | Magdalen College School |
| =1 | CillBipher | |
| =1 | SMC Code Breakers | |
| =1 | python pirate | Noadswood School |
| =1 | McJudge | |
| =1 | idontknow | |
| =1 | Fire Breathing Rubber Duckies | Peter Symonds College |
| =1 | Le Monkes | |
| =1 | The Rogue One | |
| =1 | Salty Ciphers | |
| =1 | vedwards | Cedars Upper School |
| =1 | JJunior | |
| =1 | Bubble Sort | Queen Elizabeth’s School |
| =1 | Cipher Kids | |
| =1 | I Love Hacksaws | |
| =1 | Costco | Mill Hill County High School |
| =1 | The Pulsars | High Storrs |
| =1 | gogetenks12 | |
| =1 | gogitenk12og | |
| =1 | JimDaFishTeam | |
| =1 | HERMINES123 | |
| =1 | 8-Bit Two’s Complement Binary Integers | |
| =1 | cowsay256 | |
| =1 | Griffink and possibly the Glodfish | |
| =1 | Zeta Force | Peter Symonds College |
| =1 | Malaina | The Folkestone School for Girls |
| =1 | JPS 2019 | John Port Spencer Academy |
| =1 | KingsLowerSixth2019 | The King’s School, Chester |
| =1 | AC01010 | |
| =1 | SypherPK ツ | Tiffin School |
| =1 | Solo Crypt | King Edward VI Grammar School |
| =1 | CardinoCodeSA | |
| =1 | SYD | Lady Eleanor Holles |
| =1 | Z | |
| =1 | Unexpected item in the bagging area | William Farr C of E Comprehensive |
| =1 | T43 D3C0D3R5 -(MEC)- | |
| =1 | Room4View | Holywell School |
| =1 | Freya and Clara | |
| =1 | Penairtest | |
| =1 | EL9960 | |
| =1 | The Penguins | King Edward’s School |
| =1 | the anti count downers | county upper school |
| =1 | Python Patrol | |
| =1 | The Bletchley Bunch | Lady Eleanor Holles |
| =1 | Emenys of the State | |
| =1 | MI7 | Ysgol Dyffryn Aman |
| =1 | Team nova | Tiffin School |
| =1 | Decrypters of the GALAXY | |
| =1 | Dodols | |
| =1 | Hard Crack | |
| =1 | Yoda | Saddleworth School |
| =1 | Brotherhood without Booleans | Cirencester College |
| =1 | Nutcrackers | |
| =1 | Kesness | |
| =1 | The Challengers | Bishop Luffa School |
| =1 | Jadhavstan Ministry of Intelligence | Tiffin School |
| =1 | DC_ENIGMA | Dulwich College |
| =1 | Toads of Code | |
| =1 | CookieMonster77 | Headington School |
| =1 | JAMMINGTreats | Mearns Castle High School |
| =1 | ejc | |
| =1 | My hero acadamia weebs | Boston High School |
| =1 | PhoebesFriend | |
| =1 | Code_cracking | |
| =1 | bro | |
| =1 | CYB3R | |
| =1 | cryptonauts | |
| =1 | Doki Doki Cipher Club | Peter Symonds College |
| =1 | r/therewasanattempt | Cirencester College |
| =1 | Mathemagicians | Lady Eleanor Holles |
| =1 | DACC | Dame Allan’s Schools |
| =1 | The Island Ciphers Mark II | |
| =1 | The Monkey | Peter Symonds College |
| =1 | Eta is better than Tau which is better than Pi | |
| =1 | Defenders of Liberty | |
| =1 | Clanking Gears | |
| =1 | TARGET GRADE 9 (TURBO-CHARGED) | |
| =1 | Shenpai | |
| =1 | Observer | |
| =1 | The Thanojists | |
| =1 | Blake Watkins | |
| =1 | maiSHA256 & co | |
| =1 | Access Denied | Gryphon School |
| =1 | Winner Winner Chicken Dinner | |
| =1 | Ashwin | Abingdon School |
| =1 | Raaa | |
| =1 | 0xC0DE | Nottingham High School |
| =1 | The Babelfishes | Loretto Senior School |
| =1 | Camp Hill Girls | |
| =1 | The ION Team | |
| =1 | TestUser0 | |
| =1 | Judi | |
| =1 | BruceForce | |
| =1 | PSY4 | |
| =1 | Sicilian Branch | |
| =1 | Delta Team | |
| =1 | Chocologic | |
| =1 | Kingsmeadow School | |
| =1 | King King Koders | Gravesend Grammar School |
| =1 | chacha(20) real smooth | |
| =1 | Cynrostat | |
| =1 | Wellington | Wellington College Shanghai |
| =1 | QwerTypewriter | |
| =1 | CLUB PENGUIN | |
| =1 | Kiss my axis | Budehaven |
| =1 | Judd Lads | The Judd School |
| =1 | Lexy | |
| =1 | Stateroom 4165 | |
| =1 | Been_Sloths | Winstanley College |
| =1 | exp(ATML) | |
| =1 | Dear Netcraft, Many thanks for the invite to this year’s event, we cannot wait! Love from, Josiah, Sam, and Nia | Didcot Sixth Form |
| =1 | Wycliffecode | |
| =1 | Brotherhood of Saints Cyril and Methodius | |
| =1 | iterations | |
| =1 | |cm,kg,Pa,K,ml| | |
| =1 | Cool Kids | Walton High |
| =1 | S.H.I.E.L.D. | Mearns Castle High School |
| =1 | Range Algebros | Range High School |
| =1 | CIPHERCHALLENGE123 | King Edward VI Grammar School |
| =1 | ?Yo, Angelo? | King Edward VI Grammar School |
| =1 | Error404 | |
| =1 | The Charismatic Fish | |
| =1 | Cicada3302 | |
| =1 | Red | Headington School |
| =1 | secret breakers | |
| =1 | KEGtographers | King Edward VI Grammar School |
| =1 | DZHORDZH | Thurston Community College |
| =1 | Heles School Crypto Club | |
| =1 | Totally Not Penair | Penair School |
| =1 | Formula Cipher League | |
| =1 | SBCryptographers | Sarah Bonnell School |
| =1 | Epigma | |
| =1 | Ratchet It Up | |
| =1 | 1000 squids | Newstead Wood School |
| =1 | The Caesar Salads | |
| =1 | BruceForce1 | |
| =1 | WDHS | |
| =1 | ÷ and Conquer | Spalding High School |
| =1 | gud mornin gamerz | |
| =1 | 16stigs | |
| =1 | stitch | Sandwich Technology School |
| =1 | Worthing College | |
| =1 | Inverse Everything | Rushcliffe School |
| =1 | MACs | Holywell School |
| =1 | Statto’s Wonders | |
| =1 | Xeiverse | |
| =1 | The Inquisitors | David Game College |
| =1 | Pravi29 | |
| =1 | Home One | |
| =1 | fire eating rubber duckies | South Wilts Grammar School |
| =1 | DA winner | |
| =1 | The biscuits10 | |
| =1 | Tower Block Avengers | Wirral Grammar School for Girls |
| =1 | FreeThinkingAI | Tiffin School |
| =1 | EAT MY SHORTS | |
| =1 | Pancakes | Aboyne Academy |
| =1 | IAN | The National Mathematics and Science College |
| =1 | CrackingCodes | King Edward’s School |
| =1 | Swim Bike Crack Code | |
| =1 | BJL | Matthew Arnold School |
| =1 | RDCz | |
| =1 | Algebros | |
| =1 | 596f75724d756d476179 | |
| =1 | The Mosslings | The Abbey School |
| =1 | Mrs B, St Augs | |
| =1 | Cheddar.z2 | Mullion School |
| =1 | Dative | |
| =1 | Zvokze | |
| =1 | Jake Bastow | Tiffin School |
| =1 | ______________________________________coders4life | Cranbrook School |
| =1 | The X Cubed Factor | Lady Eleanor Holles |
| =1 | Caesar’s Gang | |
| =1 | EnigmaBombe | |
| =1 | Hollow Bridge | |
| =1 | Subliminal | |
| =1 | Sloths_Are_Sloths | |
| =1 | TGS Warriors | Thomas Gainsborough School |
| =1 | Synergy | |
| =1 | Cave Update | Magdalen College School |
| =1 | coder | Yateley School |
| =1 | VPN/Tolu Ademola | King Edward VI Aston School |
| =1 | Team Alpha | |
| =1 | Rhombicosidodecahedron | Kings’ School Winchester |
| =1 | Caesar’s Shifters | Harris Academy Battersea |
| =1 | Do you have your formula booklet? | |
| =1 | HAZEFTW | St Albans School |
| =1 | Mr F | |
| =1 | FQFSYZWNSL | |
| =1 | Haymanator | |
| =1 | Apple TT | |
| =1 | #PrioryDecoders | |
| =1 | Error_404 | Ernest Bevin College |
| =1 | The Quad Squad | Mearns Castle High School |
| =1 | Crypt Seekers | King Edward VI Grammar School |
| =1 | Cicada 3301 – R.D.R.F | Cirencester College |
| =1 | Cipher Ninjas | Lady Eleanor Holles |
| =1 | Bob’s Iguana Bits | |
| =1 | The Citrus Vegetables | |
| =1 | TheyCallMeANerd | |
| =1 | while (true) {crack();} | |
| =1 | divide and conquer | |
| 2 | Mathematicians and Musicians | The British School in Tokyo |
| =2 | Cipher Gods | |
| =2 | Kool Krackers | Edgbaston High School |
| =2 | Ctrl Intelligence | |
| =2 | Grizzly Armadillo | |
| =2 | Heolddu Park | Heolddu Comprehensive |
| =2 | Leo_Sailor | |
| =2 | Zemows Industries | |
| =2 | Dragons | |
| =2 | Gru gang | Ipswich School |
| =2 | Alan Turing jr. | |
| 3 | BSNK | |
| =3 | Sm | |
| =3 | calIfornia Dreamin’ | |
| =3 | PascGals | Lady Eleanor Holles |
| =3 | Byte our dust | Winchester College, Eton College, Magdalen College School |
| =3 | ul71m473 n00b 5l4y3r5 | |
| =3 | Doctor Sherlock | High School of Dundee |
| =3 | Deep thought | Budehaven |
| =3 | T S M | St Bonaventure’s SChool |
| =3 | Chaos Legion | Bancroft’s School |
| =3 | What? | St Bonaventure’s SChool |
| =3 | PolyAndAesthetic | St Albans School |
| =3 | bathguitarist | King Edward’s School |
| =3 | Spicy2525 | |
| =3 | Having fun is the point of competitions THEY SAID. | |
| =3 | Team Penguin | Nottingham High School |
| 4 | E n i g m a | |
| =4 | hedgehog | |
| =4 | Th3 Unc0d43bl3s_ | |
| =4 | haacks | |
| =4 | plaun | |
| =4 | Mihir | The National Mathematics and Science College |
| =4 | SARCHS2 | St Augustine’s R.C. High School |
| =4 | RHS-CIT 3 | |
| =4 | I_am_RAJ | |
| =4 | Indagator Veritatis | King Edward VI Grammar School |
| =4 | frankiebots | |
| =4 | Alex16384 | |
| =4 | C1pher2 | |
| =4 | The Three Pretty Faces | The King’s School in Macclesfield |
| =4 | FransFunkyFlock | The Grey Coat Hospital |
| =4 | CS | |
| 5 | Mind benders | |
| =5 | Kford warriors | |
| =5 | DHS | Danes Hill School |
| =5 | FuityTooty | |
| =5 | max | |
| =5 | the walnuts | |
| =5 | Eaton House | |
| =5 | OsArmy | Oswestry School |
| =5 | Sugg | |
| =5 | Caerleon Ciphers | |
| =5 | Instrument Gang | King Ecgbert School |
| =5 | Lady Lovelace | |
| =5 | The Shady Bunch | |
| =5 | #MathMagicians | |
| =5 | Team ES | King Edward’s School |
| =5 | +c | Kings’ School Winchester |
| =5 | Andrew Henderson | |
| =5 | The Lionesses | Ipswich School |
| 6 | TOUCAN | Wellington College Shanghai |
| =6 | breadalbanecoders | Breadalbane academy |
| =6 | Lade | Lady Eleanor Holles |
| =6 | Philosophy of Time Travel | |
| =6 | The kettle gang 1234567890 | Northfield School and Sports College |
| =6 | QuantumBogoSort | |
| =6 | _______________________________L I Z A R D S Q U A D______________________________ | |
| =6 | SGCH | |
| =6 | KHSThreeMusketeers | |
| =6 | CMOT Corp. | |
| =6 | Experian IDaaS Irregulars | |
| =6 | CRGS Cipher Challenge | |
| =6 | JALA | |
| =6 | CodingCarrots | |
| =6 | Sparkly Slugs | Penwortham Priory Academy |
| =6 | J.A.A.A.A.A | |
| =6 | Hudson’s Army | The Ripley Academy |
| =6 | SoloShing | Bishop Challoner School |
| =6 | awesome | |
| =6 | Berlin | |
| =6 | Mathsusanth and Edwinner | |
| 7 | potato | |
| =7 | Da Vinci Decoders Reborn | The Bedford Sixth Form |
| =7 | Gemcrackers | |
| 8 | Redborne | Redborne Upper School |
| 9 | Stephen Perse Peeps | Stephen Perse Foundation |
| 10 | Chorlton Cipher Breakers | Chorlton High School |
| =10 | GreatCypher | Exeter School |
| =10 | oli_but_solo | |
| =10 | ciphercoopercipher | |
| =10 | I lost my Perse | |
| =10 | Team_Catfish | |
| =10 | Cyclops | The Portsmouth Grammar School |
| =10 | Superstars | Heckmondwike Grammar School |
| =10 | Ecoelina | Priestnall School |
| 11 | The Republic | |
| =11 | OnTheGrind | |
| 12 | Sky7B2 (We are the best) | Heckmondwike Grammar School |
| 13 | AmazingAiko | |
| =13 | HeckyHeroes | Heckmondwike Grammar School |
| =13 | Cipher South | CHS South |
| =13 | MICcodecrackers | The Bluecoat School |
| =13 | Square of C | |
| =13 | Irregular Squares | |