Happy Numbers in Crystal in chars. Cheevos Holes Recent Holes Langs Medals Misc All Holes 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 PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes 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 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Hole All 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 PalindromemordnilaP Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes 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 # Golfer Lang Points Chars Time 1st JayXon 🇺🇸 Crystal 1,000 40 23 Apr 2021 1st sisyphus-ppcg 🇦🇺 Crystal 1,000 40 9 Jul 2021 1st Lydxn 🇨🇦 Crystal 1,000 40 17 Aug 2021 1st stefangimmillaro Crystal 1,000 40 21 Aug 2023 1st MeWhenI 🇻🇦 Crystal 1,000 40 22 Aug 2023 1st Steffan153 🇫🇮 Crystal 1,000 40 9 Aug 2024 7th janlelis Crystal 800 50 21 Apr 2021 8th GrayJoKing 🇦🇺 Crystal 755 53 13 Sep 2021 8th primo-ppcg 🇹🇭 Crystal 755 53 22 Sep 2021 10th Shanethegamer 🇺🇸 Crystal 741 54 13 Sep 2021 11th Irratix 🇳🇱 Crystal 714 56 25 Mar 2021 12th anter69 🇭🇺 Crystal 702 57 24 Feb 2023 13th emgordon154 Crystal 690 58 22 Dec 2021 13th Yewzir 🇧🇪 Crystal 690 58 7 Feb 2024 13th pardouin 🇫🇷 Crystal 690 58 27 days ago 16th lynn Crystal 678 59 25 May 2022 17th dokutan Crystal 656 61 14 Apr 2024 18th Natanaelel 🇸🇪 Crystal 625 64 19 Sep 2021 19th yzhs 🇩🇪 Crystal 615 65 3 Aug 2021 20th KatieLG 🇬🇧 Crystal 606 66 3 May 2021 21st konovod Crystal 556 72 25 Mar 2021 22nd JRaspass 🇬🇧 Crystal 354 113 23 Mar 2021 22nd retrohun Crystal 354 113 27 Dec 2022 22nd HumanoidCPU Crystal 354 113 3 May 2024 25th msbranicky Crystal 288 139 8 Sep 2023 26th mokymok 🇺🇸 Crystal 278 144 8 Nov 2021 26th KatieLG-Transpiler 🇬🇧 Crystal 278 144 3 Jul 2022 28th arcage 🇯🇵 Crystal 268 149 30 Apr 2021 29th juhanilep Crystal 176 227 11 Apr 2021 1–29 of 29