Card Number Validation in all languages 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 Billiards brainfuck Card Number Validation 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 Kaprekar Numbers 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 Partition Numbers 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 ROT13 Rule 110 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vyxal 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 Billiards brainfuck Card Number Validation 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 Kaprekar Numbers 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 Partition Numbers 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 ROT13 Rule 110 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Chars Time 75th MeWhenI 🇻🇦 881 54 3 Oct 2024 75th error256 881 54 7 Oct 2024 75th nwellnhof 🇩🇪 881 54 13 Oct 2024 79th moustave 880 73 5 Nov 2024 79th emgordon154 880 73 18 Nov 2024 81st JayXon 🇺🇸 877 134 3 Oct 2024 82nd dmrichwa 🇺🇸 876 73 5 Oct 2024 82nd DialFrost 🇸🇬 876 73 12 Oct 2024 84th GrayJoKing 🇦🇺 876 90 3 Oct 2024 84th FlyingPenguin223 876 90 16 Oct 2024 86th JayXon 🇺🇸 875 79 17 Oct 2024 87th sean-niemann 🇺🇸 874 76 24 Oct 2024 88th KasperKivimaeki 🇫🇮 873 80 16 Oct 2024 89th nwellnhof 🇩🇪 871 133 7 Oct 2024 90th nwellnhof 🇩🇪 870 135 16 Oct 2024 91st DialFrost 🇸🇬 868 74 16 days ago 92nd CLOStrophobic 🇮🇹 868 119 24 Feb 2025 93rd Shanethegamer 🇺🇸 866 91 4 Oct 2024 94th JayXon 🇺🇸 866 102 12 Oct 2024 95th ovs-code 🇩🇪 865 55 5 Oct 2024 96th ovs-code 🇩🇪 865 69 4 Oct 2024 97th Natanaelel 🇸🇪 865 74 1 Oct 2024 97th helbling 🇨🇭 865 74 1 Oct 2024 97th Irratix 🇳🇱 865 74 14 Oct 2024 97th emgordon154 865 74 18 Nov 2024 101st UnderKoen 🇳🇱 865 86 4 Oct 2024 102nd JayXon 🇺🇸 865 117 5 Oct 2024 103rd emgordon154 863 77 8 Nov 2024 104th JayXon 🇺🇸 863 88 15 Oct 2024 105th zacjl 863 110 10 Oct 2024 106th ovs-code 🇩🇪 862 29 4 Oct 2024 107th ovs-code 🇩🇪 862 127 2 Oct 2024 108th Natanaelel 🇸🇪 860 33 6 Oct 2024 109th nwellnhof 🇩🇪 860 68 5 Oct 2024 110th JayXon 🇺🇸 860 93 14 Oct 2024 111th sean-niemann 🇺🇸 858 51 2 Oct 2024 112th anter69 🇭🇺 857 75 11 Oct 2024 113th m-tkach 🇺🇦 855 87 6 Oct 2024 114th MeWhenI 🇻🇦 854 92 24 Dec 2024 115th voytxt 🇨🇿 853 75 1 Oct 2024 115th MeWhenI 🇻🇦 853 75 2 Oct 2024 115th m-tkach 🇺🇦 853 75 5 Oct 2024 115th error256 853 75 7 Oct 2024 119th tomtheisen 🇺🇸 853 83 10 Feb 2025 120th JayXon 🇺🇸 853 95 4 Oct 2024 121st ovs-code 🇩🇪 851 46 4 Oct 2024 121st nwellnhof 🇩🇪 851 46 7 Oct 2024 123rd kg583 🇺🇸 851 67 1 Oct 2024 124th sean-niemann 🇺🇸 850 68 1 Oct 2024 125th MostParsingVex 850 100 1 Oct 2024 126th JayXon 🇺🇸 848 104 6 Oct 2024 127th edsrzf 🇳🇿 847 90 27 Feb 2025 128th edsrzf 🇳🇿 847 122 27 Feb 2025 129th Shanethegamer 🇺🇸 846 67 3 Oct 2024 129th emgordon154 846 67 18 Nov 2024 131st Kacarott 🇦🇺 846 73 1 Oct 2024 131st chunes3 🇺🇸 846 73 2 Oct 2024 133rd JayXon 🇺🇸 846 155 3 Oct 2024 134th lifthrasiir 🇰🇷 845 76 16 Nov 2024 135th stefangimmillaro 845 139 3 Oct 2024 136th kg583 🇺🇸 843 142 14 Feb 2025 137th xsot 🇸🇬 842 83 8 Oct 2024 138th duckyluuk 🇳🇱 839 68 4 Oct 2024 139th error256 839 94 7 Oct 2024 140th JayXon 🇺🇸 837 109 5 Oct 2024 141st stefangimmillaro 837 112 4 Oct 2024 142nd Shanethegamer 🇺🇸 836 67 3 Oct 2024 142nd antimon2 🇯🇵 836 67 9 Oct 2024 144th sean-niemann 🇺🇸 836 121 30 Nov 2024 145th lynn 836 131 8 Jan 2025 146th IanUtley 835 113 2 Oct 2024 147th SirBogman 🇺🇸 834 34 2 Oct 2024 148th jatloe 834 77 1 Oct 2024 148th hallvabo 🇳🇴 834 77 7 Oct 2024 150th GrayJoKing 🇦🇺 833 47 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