Card Number Validation in all languages in bytes. 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 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT 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 Colors (Inverse) 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers 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 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT 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 Colors (Inverse) 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 Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 75th rucin93 🇵🇱 883 79 24 Oct 2024 75th sean-niemann 🇺🇸 883 79 3 Nov 2024 78th radarek 🇵🇱 882 54 3 Oct 2024 78th MeWhenI 🇻🇦 882 54 3 Oct 2024 78th error256 882 54 7 Oct 2024 78th nwellnhof 🇩🇪 882 54 13 Oct 2024 82nd nwellnhof 🇩🇪 881 90 1 Oct 2024 82nd ovs-code 🇩🇪 881 90 3 Oct 2024 82nd kg583 🇺🇸 881 90 9 Oct 2024 82nd sean-niemann 🇺🇸 881 90 23 Dec 2024 86th lyphyser 879 41 1 Oct 2024 87th dmrichwa 🇺🇸 877 73 5 Oct 2024 87th DialFrost 🇸🇬 877 73 12 Oct 2024 89th JayXon 🇺🇸 877 134 3 Oct 2024 90th GrayJoKing 🇦🇺 876 90 3 Oct 2024 90th FlyingPenguin223 876 90 16 Oct 2024 92nd JayXon 🇺🇸 875 79 17 Oct 2024 93rd acotis 875 106 9 days ago 94th sean-niemann 🇺🇸 874 76 24 Oct 2024 95th rhdqor213 873 80 2 Oct 2024 95th KasperKivimaeki 🇫🇮 873 80 16 Oct 2024 97th 5cw 🇺🇸 872 91 1 Oct 2024 97th stefangimmillaro 872 91 13 Oct 2024 97th duckyluuk 🇳🇱 872 91 18 Oct 2024 100th nwellnhof 🇩🇪 871 133 7 Oct 2024 101st nwellnhof 🇩🇪 870 135 16 Oct 2024 102nd JayXon 🇺🇸 869 117 5 Oct 2024 103rd CLOStrophobic 🇮🇹 868 119 24 Feb 2025 104th pardouin 🇫🇷 866 55 3 Oct 2024 104th ovs-code 🇩🇪 866 55 5 Oct 2024 106th AlephSquirrel 866 76 1 Oct 2024 107th JayXon 🇺🇸 866 84 14 days ago 108th Shanethegamer 🇺🇸 866 91 4 Oct 2024 109th JayXon 🇺🇸 866 102 12 Oct 2024 110th ovs-code 🇩🇪 866 127 2 Oct 2024 111th ovs-code 🇩🇪 865 69 4 Oct 2024 112th Natanaelel 🇸🇪 865 74 1 Oct 2024 112th helbling 🇨🇭 865 74 1 Oct 2024 112th Irratix 🇳🇱 865 74 14 Oct 2024 112th emgordon154 865 74 18 Nov 2024 116th UnderKoen 🇳🇱 865 86 4 Oct 2024 117th ovs-code 🇩🇪 864 78 2 Oct 2024 118th emgordon154 863 77 8 Nov 2024 119th zacjl 863 110 10 Oct 2024 120th ovs-code 🇩🇪 862 29 4 Oct 2024 121st Shanethegamer 🇺🇸 862 92 3 Oct 2024 121st error256 862 92 7 Oct 2024 121st thatbirdguythatuknownot 862 92 14 Oct 2024 124th Natanaelel 🇸🇪 860 33 6 Oct 2024 124th GrayJoKing 🇦🇺 860 33 25 hours ago 126th nwellnhof 🇩🇪 860 68 5 Oct 2024 127th JayXon 🇺🇸 860 93 14 Oct 2024 128th pardouin 🇫🇷 859 66 10 Apr 2025 129th sean-niemann 🇺🇸 858 51 2 Oct 2024 130th m-tkach 🇺🇦 855 87 6 Oct 2024 131st voytxt 🇨🇿 854 75 1 Oct 2024 131st MeWhenI 🇻🇦 854 75 2 Oct 2024 131st m-tkach 🇺🇦 854 75 5 Oct 2024 131st error256 854 75 7 Oct 2024 135th MeWhenI 🇻🇦 854 92 24 Dec 2024 136th tomtheisen 🇺🇸 853 83 10 Feb 2025 137th Bulmenisaurus 853 93 6 Oct 2024 137th lynn 853 93 8 Jan 2025 139th JayXon 🇺🇸 853 95 4 Oct 2024 140th xsot 🇸🇬 852 82 6 May 2025 141st ovs-code 🇩🇪 851 46 4 Oct 2024 141st nwellnhof 🇩🇪 851 46 7 Oct 2024 143rd MostParsingVex 850 100 1 Oct 2024 144th JayXon 🇺🇸 848 104 6 Oct 2024 145th edsrzf 🇳🇿 847 90 27 Feb 2025 146th edsrzf 🇳🇿 847 122 27 Feb 2025 147th emgordon154 846 67 18 Nov 2024 148th JayXon 🇺🇸 846 155 3 Oct 2024 149th stefangimmillaro 845 139 3 Oct 2024 150th DialFrost 🇸🇬 844 94 1 Oct 2024 Prev 76–150 of 673 Next