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 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 Chars Time 1st saito-ta 🇯🇵 1,000 25 2 Oct 2024 2nd ovs-code 🇩🇪 978 29 2 Oct 2024 3rd bizy-coder 958 67 1 Oct 2024 3rd pardouin 🇫🇷 958 67 1 Oct 2024 3rd btnlq 958 67 1 Oct 2024 3rd Seek64 🇩🇪 958 67 1 Oct 2024 3rd m-tkach 🇺🇦 958 67 1 Oct 2024 3rd Rubiksmath 958 67 7 Oct 2024 3rd JayXon 🇺🇸 958 67 13 Oct 2024 10th 2bular 946 30 1 Oct 2024 10th zacjl 946 30 3 Oct 2024 12th duckyluuk 🇳🇱 940 68 4 Oct 2024 12th JayXon 🇺🇸 940 68 4 Oct 2024 12th emplv 🇱🇻 940 68 24 Oct 2024 12th rucin93 🇵🇱 940 68 24 Oct 2024 12th sean-niemann 🇺🇸 940 68 13 Nov 2024 17th sisyphus-ppcg 🇦🇺 933 42 1 Oct 2024 17th saito-ta 🇯🇵 933 42 1 Oct 2024 19th JayXon 🇺🇸 933 51 13 Oct 2024 20th nwellnhof 🇩🇪 926 69 8 Oct 2024 21st ovs-code 🇩🇪 925 41 2 Oct 2024 22nd pardouin 🇫🇷 920 62 1 Oct 2024 22nd JayXon 🇺🇸 920 62 2 Oct 2024 24th GrayJoKing 🇦🇺 918 41 1 Oct 2024 24th nwellnhof 🇩🇪 918 41 2 Oct 2024 26th JayXon 🇺🇸 918 76 11 Oct 2024 27th kg583 🇺🇸 917 70 10 Oct 2024 27th sean-niemann 🇺🇸 917 70 8 Jan 2025 29th bstrat 915 31 6 Oct 2024 30th stefangimmillaro 913 70 3 Oct 2024 31st xsot 🇸🇬 912 48 4 Oct 2024 32nd primo-ppcg 🇹🇭 911 43 26 days ago 33rd nwellnhof 🇩🇪 910 51 1 Oct 2024 33rd bitsandbeyond 🇳🇱 910 51 7 Oct 2024 35th JayXon 🇺🇸 908 78 13 Oct 2024 36th JayXon 🇺🇸 904 64 2 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 radarek 🇵🇱 898 53 12 Dec 2024 46th saito-ta 🇯🇵 897 54 1 Oct 2024 46th DialFrost 🇸🇬 897 54 11 Jan 2025 46th frankgraziano 897 54 23 Jan 2025 49th btnlq 897 60 1 Oct 2024 49th GrayJoKing 🇦🇺 897 60 3 Oct 2024 51st inventshah 895 74 25 Oct 2024 51st JayXon 🇺🇸 895 74 13 Nov 2024 51st pardouin 🇫🇷 895 74 17 Dec 2024 54th JayXon 🇺🇸 894 88 5 Oct 2024 55th canissimia 🇦🇶 893 28 2 Oct 2024 56th duckyluuk 🇳🇱 891 72 4 Oct 2024 56th ndren 891 72 7 days ago 58th pardouin 🇫🇷 890 65 2 Oct 2024 59th JayXon 🇺🇸 890 96 11 Oct 2024 60th ovs-code 🇩🇪 889 63 1 Oct 2024 61st xsot 🇸🇬 887 72 10 Oct 2024 62nd GrayJoKing 🇦🇺 886 58 24 Oct 2024 63rd canissimia 🇦🇶 886 66 1 Oct 2024 64th MeWhenI 🇻🇦 885 64 3 Oct 2024 65th nwellnhof 🇩🇪 885 80 2 Oct 2024 65th Yax42 🇫🇷 885 80 14 days ago 67th JayXon 🇺🇸 884 106 22 Oct 2024 68th JayXon 🇺🇸 883 79 5 Oct 2024 68th rhdqor213 883 79 11 Oct 2024 68th rucin93 🇵🇱 883 79 24 Oct 2024 68th sean-niemann 🇺🇸 883 79 3 Nov 2024 72nd error256 882 70 1 Oct 2024 73rd JayXon 🇺🇸 882 131 7 Oct 2024 74th pardouin 🇫🇷 881 54 1 Oct 2024 74th MeWhenI 🇻🇦 881 54 3 Oct 2024 1–75 of 611 Next