Happy Numbers in Crystal in chars.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-twistersTranspose SentenceUnited StatesVampire NumbersVan Eck SequenceZeckendorf RepresentationZodiac Signsγλπτφ√2𝑒 All Languages><>AssemblyAWKBashBASICBerrybrainfuckCC#C++ClojureCOBOLCoconutCrystalDDartElixirF#FactorForthFortranGoGolfScriptHaskellHexagonyJJanetJavaJavaScriptJuliaKLispLuaNimOCamlPascalPerlPHPPowerShellPrologPythonRRakuRockstarRubyRustsedSQLSwiftTclTeXVVimLWrenZig Bytes CharsScoringBytes 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒#GolferLangPointsCharsTime1st JayXon 🇺🇸Crystal1,0004023 Apr 20211st sisyphus-ppcg 🇦🇺Crystal1,000409 Jul 20211st Lydxn 🇨🇦Crystal1,0004017 Aug 20211st stefangimmillaroCrystal1,0004021 Aug 20231st MeWhenI 🇻🇦Crystal1,0004022 Aug 20236th janlelisCrystal8005021 Apr 20217th GrayJoKing 🇦🇺Crystal7555313 Sep 20217th primo-ppcg 🇹🇭Crystal7555322 Sep 20217th Steffan153 🇫🇮Crystal7555327 Mar 202310th Shanethegamer 🇺🇸Crystal7415413 Sep 202111th Irratix 🇳🇱Crystal7145625 Mar 202112th anter69 🇭🇺Crystal7025724 Feb 202313th emgordon154Crystal6905822 Dec 202113th Yewzir 🇧🇪Crystal690587 Feb 202415th lynnCrystal6785925 May 202216th dokutanCrystal6566114 Apr 202417th Natanaelel 🇸🇪Crystal6256419 Sep 202118th yzhs 🇩🇪Crystal615653 Aug 202119th KatieLG 🇬🇧Crystal606663 May 202120th konovodCrystal5567225 Mar 202121st JRaspass 🇬🇧Crystal35411323 Mar 202121st retrohunCrystal35411327 Dec 202221st HumanoidCPUCrystal3541133 May 202424th msbranickyCrystal2881398 Sep 202325th mokymok 🇺🇸Crystal2781448 Nov 202125th KatieLG-Transpiler 🇬🇧Crystal2781443 Jul 202227th arcage 🇯🇵Crystal26814930 Apr 202128th juhanilepCrystal17622711 Apr 20211–28 of 28