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 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 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 Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set 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 Rockstar 2 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 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 Rockstar 2 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 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 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 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 Partition Numbers QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Set Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 1st saito-ta 🇯🇵 1,000 25 2 Oct 2024 2nd ovs-code 🇩🇪 978 29 2 Oct 2024 3rd bizy-coder 953 84 1 Oct 2024 3rd pardouin 🇫🇷 953 84 1 Oct 2024 3rd AlephSquirrel 953 84 1 Oct 2024 3rd btnlq 953 84 1 Oct 2024 3rd Seek64 🇩🇪 953 84 1 Oct 2024 3rd m-tkach 🇺🇦 953 84 1 Oct 2024 3rd Rubiksmath 953 84 7 Oct 2024 3rd JayXon 🇺🇸 953 84 13 Oct 2024 3rd kops-cg 953 84 3 mins ago 12th 2bular 946 30 1 Oct 2024 12th zacjl 946 30 3 Oct 2024 14th inventshah 942 85 4 Oct 2024 15th duckyluuk 🇳🇱 940 68 4 Oct 2024 15th JayXon 🇺🇸 940 68 4 Oct 2024 15th emplv 🇱🇻 940 68 24 Oct 2024 15th rucin93 🇵🇱 940 68 24 Oct 2024 15th sean-niemann 🇺🇸 940 68 13 Nov 2024 20th sisyphus-ppcg 🇦🇺 933 42 1 Oct 2024 20th saito-ta 🇯🇵 933 42 1 Oct 2024 22nd JayXon 🇺🇸 933 51 13 Oct 2024 23rd nwellnhof 🇩🇪 926 69 8 Oct 2024 24th ovs-code 🇩🇪 925 41 2 Oct 2024 25th AdrienHache 🇫🇷 924 39 2 Oct 2024 26th GrayJoKing 🇦🇺 918 41 1 Oct 2024 26th nwellnhof 🇩🇪 918 41 2 Oct 2024 28th JayXon 🇺🇸 918 76 11 Oct 2024 29th bstrat 915 31 6 Oct 2024 30th stefangimmillaro 913 70 3 Oct 2024 31st JayXon 🇺🇸 913 72 2 Oct 2024 32nd xsot 🇸🇬 912 48 4 Oct 2024 33rd primo-ppcg 🇹🇭 911 43 26 days ago 34th nwellnhof 🇩🇪 910 51 1 Oct 2024 34th bitsandbeyond 🇳🇱 910 51 7 Oct 2024 36th JayXon 🇺🇸 908 78 13 Oct 2024 37th JayXon 🇺🇸 903 62 13 Oct 2024 38th GrayJoKing 🇦🇺 900 71 1 Oct 2024 38th pardouin 🇫🇷 900 71 2 Oct 2024 38th ovs-code 🇩🇪 900 71 3 Oct 2024 38th vlpx 🇫🇮 900 71 23 Oct 2024 42nd error256 899 63 7 Oct 2024 42nd JayXon 🇺🇸 899 63 13 Oct 2024 44th emplv 🇱🇻 899 75 24 Oct 2024 45th saito-ta 🇯🇵 897 54 1 Oct 2024 45th DialFrost 🇸🇬 897 54 11 Jan 2025 45th frankgraziano 897 54 23 Jan 2025 48th btnlq 897 60 1 Oct 2024 48th GrayJoKing 🇦🇺 897 60 3 Oct 2024 50th rucin93 🇵🇱 897 71 17 Dec 2024 50th JayXon 🇺🇸 897 71 17 Dec 2024 50th sean-niemann 🇺🇸 897 71 8 Jan 2025 53rd inventshah 895 74 25 Oct 2024 53rd JayXon 🇺🇸 895 74 13 Nov 2024 53rd pardouin 🇫🇷 895 74 17 Dec 2024 56th JayXon 🇺🇸 894 88 5 Oct 2024 57th canissimia 🇦🇶 893 28 2 Oct 2024 58th JayXon 🇺🇸 890 96 11 Oct 2024 59th ovs-code 🇩🇪 889 63 2 Oct 2024 60th nwellnhof 🇩🇪 889 90 1 Oct 2024 60th ovs-code 🇩🇪 889 90 3 Oct 2024 60th kg583 🇺🇸 889 90 9 Oct 2024 60th sean-niemann 🇺🇸 889 90 23 Dec 2024 64th bizy-coder 888 74 1 Oct 2024 64th pardouin 🇫🇷 888 74 1 Oct 2024 64th m-tkach 🇺🇦 888 74 3 Oct 2024 67th xsot 🇸🇬 887 72 10 Oct 2024 68th GrayJoKing 🇦🇺 886 58 24 Oct 2024 69th canissimia 🇦🇶 886 66 1 Oct 2024 70th MeWhenI 🇻🇦 885 64 3 Oct 2024 71st nwellnhof 🇩🇪 885 80 2 Oct 2024 71st Yax42 🇫🇷 885 80 14 days ago 73rd JayXon 🇺🇸 884 106 22 Oct 2024 74th JayXon 🇺🇸 883 79 5 Oct 2024 74th rucin93 🇵🇱 883 79 24 Oct 2024 1–75 of 614 Next