Happy Numbers in all languages.Cheevos Holes Recent Holes Langs Medals Misc All Holes12 Days of Christmas24 Game99 Bottles of BeerAbundant NumbersAbundant Numbers (Long)Arabic to RomanArithmetic NumbersArrowsAscending PrimesASCII TablebrainfuckCatalan NumbersCatalan’s ConstantChristmas TreesCollatzCSS ColorsCubesDay of WeekDFA SimulatorDiamondsDivisorsEmirp NumbersEmirp Numbers (Long)EmojifyEvil NumbersEvil Numbers (Long)Factorial FactorisationFarey SequenceFibonacciFizz BuzzFoo Fizz Buzz BarForsyth–Edwards NotationFractionsGame of LifeGijswijt’s SequenceHappy NumbersHappy Numbers (Long)HexdumpIntersectionInventory SequenceISBNJacobi SymbolKolakoski ConstantKolakoski SequenceLeap YearsLevenshtein DistanceLeyland Numbersln 2Look and SayLucky NumbersLucky TicketsMahjongMazeMedal TallyMorse DecoderMorse EncoderMusical ChordsN QueensNiven NumbersNiven Numbers (Long)Number SpiralOdious NumbersOdious Numbers (Long)Ordinal NumbersPangram GrepPascal’s TrianglePernicious NumbersPernicious Numbers (Long)PokerPrime NumbersPrime Numbers (Long)Proximity GridQR DecoderQuineRecamánRepeating DecimalsReverse Polish NotationReversiRijndael S-boxRock-paper-scissors-Spock-lizardRoman to ArabicRule 110Seven SegmentSI UnitsSierpiński TriangleSmith NumbersSpelling NumbersStar Wars Opening CrawlSudokuSudoku v2Ten-pin BowlingTime DistanceTongue-twistersUnited StatesVampire NumbersVan Eck SequenceZodiac Signsγλπτφ√2𝑒 All Languages><>AssemblyAWKBashBASICBerrybrainfuckCC#C++ClojureCOBOLCoconutCrystalDDartElixirF#FactorForthFortranGoGolfScriptHaskellHexagonyJJanetJavaJavaScriptJuliaKLispLuaNimOCamlPascalPerlPHPPowerShellPrologPythonRRakuRockstarRubyRustsedSQLSwiftTclTeXVVimLWrenZig All Bytes CharsScoringAll Bytes CharsLanguageAll ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren ZigHoleAll 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table brainfuck Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒#Golfer🥇💎🥈🥉1st Lydxn 🇨🇦80(13)432nd JayXon 🇺🇸51(1)443rd Steffan153 🇫🇮27(0)574th MeWhenI 🇻🇦25(2)245th primo-ppcg 🇹🇭25(1)8146th GrayJoKing 🇦🇺20(2)967th sisyphus-ppcg 🇦🇺18(2)288th btnlq17(3)339th stefangimmillaro15(0)1310th nwellnhof 🇩🇪12(0)2411th ovs-code 🇩🇪10(0)0212th sean-niemann 🇺🇸8(0)0013th lynn7(0)3114th Yewzir 🇧🇪7(0)0215th prplz 🇦🇺7(0)0116th saito-ta 🇯🇵6(0)1117th DialFrost 🇸🇬6(0)0017th xsot 🇸🇬6(0)0019th HPWiz 🇬🇧5(1)1020th m-tkach 🇺🇦5(0)2121st Shanethegamer 🇺🇸5(0)0022nd Bubbler-44(0)0022nd kg583 🇺🇸4(0)0024th dokutan3(0)0225th clockworknazo3(0)0125th inventshah3(0)0125th orthoplex 🇨🇽3(0)0125th ScottHamper3(0)0129th annaproxy3(0)0029th Betuaredead3(0)0029th janbehrens 🇩🇪3(0)0029th namelessiw3(0)0033rd jared-hughes2(2)0134th canissimia 🇦🇶2(2)0035th AlephSquirrel2(1)0136th BREMAUCY 🇫🇷2(0)0036th dvargas46 🇺🇸2(0)0036th error2562(0)0036th hallvabo 🇳🇴2(0)0036th HumanoidCPU2(0)0036th IanUtley2(0)0036th Kacarott 🇦🇺2(0)0036th xnor-gate2(0)0044th lyphyser1(1)0045th GolfingSuccess 🇬🇷1(0)1246th Irratix 🇳🇱1(0)1147th AdrienHache1(0)1047th marcin7Cd1(0)1047th UnderKoen 🇳🇱1(0)1050th bitsandbeyond 🇳🇱1(0)0150th kritixilithos1(0)0150th Natanaelel 🇸🇪1(0)0150th retrohun1(0)0150th SirBogman 🇺🇸1(0)0155th 2bular1(0)0055th 4atj1(0)0055th 5cw1(0)0055th alemelis1(0)0055th AlexDaniel 🇪🇪1(0)0055th Alex-x90 🇺🇸1(0)001–60 of 95 Next